Rujukan Piring_terbang

  1. ↑ "Hobi dan komunitas". KOMPAS. 20 Januari 2008. m/s. 23. 
  2. 1 2 3 Chancelor Press: Tell Me About? – Space and Technology. Edisi bahasa Indonesia diterbitkan oleh: Quality Press. Alih bahasa: Drs. Alexander Sindoro
  3. 1 2 3 4 5 6 7 Duncan, John. "UFO". The Unexplained Series. Ticktock Publishing.  - edisi bahasa baku Indonesia diterjemahkan Veronica Angela SF terbitan PT. Elex Media Komputindo, ISBN=979-20-2657-6
  4. ↑ (Indonesia) "Sosok Para Sahabat Nabi", karangan Dr. Abdurrahman Ra'fat Al-Basya, penerbit Pustaka Mantiq, Solo, 1996, Halaman 145-146 dan buku "Kisah Sahabat Nabi 1", terbitan MIZAN, mengisahkan pengalaman yang cukup menakjubkan dari Usaid bin Hudhair.
  5. ↑ “Itu malaikat yang ingin mendengarkan engkau membaca Al-Qur’an, hai Usaid. Seandainya engkau teruskan bacaanmu, pastilah orang banyak akan melihatnya pula. Pemandangan itu tidak akan tertutup dari mereka.” Hadits riwayat ...
  6. ↑ UFOs in History. LA UFO.com. Retrieved on 2006-08-19.
  7. ↑ Historical sightings. Space-2001.net. Retrieved on 2006-08-19.
  8. ↑ UFOs Over Nuremberg (April 4, 1561). Today in Odd History. News of the Odd. Retrieved on 2006-08-19.
  9. ↑ Electric power & Radio, computer, UFO-Drug history 1556-1971. Electric Power Radio. Retrieved on 2006-08-19.
  10. ↑ UFO Area.com (Jacques Vallee, Passport to Magonia On Ufos, Folklore, and Parallel Worlds)
  11. ↑ http://www.nicap.dabsol.co.uk/fsar-chVII.htm
  12. ↑ http://www.time.com/time/magazine/article/0,9171,775433,00.html
  13. ↑ http://brumac.8k.com/BATTLEOFLA/BOLA1.html
  14. ↑ Ridge, Francis L.. The Report on Unidentified Flying Objects. National Investigations Committee on Aerial Phenomena. Retrieved on 2006-08-19.
  15. ↑ Baylor Institute for Studies of Religion - American Piety in the 21st Century – September 2006.
  16. ↑ UFO Abduction Reports: The Supernatural Kidnap Narrative Returns in Technological Guise
  17. ↑ Carl Gustav Jung, "Flying Saucers: A Modern Myth of Things Seen in the Skies" (translated by R.F.C. Hull); 1979, Princeton University Press, ISBN 0-691-01822-7
  18. ↑ Roswellproff.com There have been allegations of supression of UFO related evidence
  19. ↑ Project Blue Book.org – 1
  20. ↑ Project Blue Book.org – 2
  21. ↑ UFO case Book.com – Hoax from Gulfbreeze