Rujukan Helang_(buruj)

Kutipan
  1. 1 2 3 Ridpath 2001, halaman 80–82
  2. 1 2 "Aquila, constellation boundary". The Constellations. Kseatuan Astronomi Antarabangsa. Dicapai pada 14 Februari 2014.
Rujukan
  •  This article incorporates text from a publication now in the public domain:  Helang (buruj). Encyclopædia Britannica (ed. ke-11). 1911.
  • Levy, David H. (2005), Deep Sky Objects, Prometheus Books, ISBN 1-59102-361-0
  • Makemson, Maud Worcester (1941). The Morning Star Rises: an account of Polynesian astronomy. Akhbar Universiti Yale.
  • Ridpath, Ian (2001), Stars and Planets, Illustrated by Wil Tirion (ed. ke-3), Akhbar Universiti Princeton, ISBN 0-691-08913-2
  • Ridpath, Ian (2007), Stars and Planets Guide, Wil Tirion (ed. ke-4), Akhbar Universiti Princeton, ISBN 978-0-691-13556-4
  • White, Gavin (2008), Babylonian Star-lore, Solaria Pubs