Rujukan Kupu-kupu raja

  1. ↑ Committee On Generic Nomenclature, Royal Entomological Society of London; Of Entomology, British Museum (Natural History) Dept (2007-05-23) [1934]. The Generic Names of British Insects. Royal Entomological Society of London Committee on Generic Nomenclature, Committee on Generic Nomenclature. British Museum (Natural History). Dept. of Entomology. m/s. 20. Dicapai pada 2008-06-04.
  2. ↑ Scudder, Samuel H. (1989). The butterflies of the eastern United States and Canada with special reference to New England. The author. m/s. 721. ISBN 0-665-26322-8. Dicapai pada 2008-06-04. Unknown parameter |coauthors= ignored (|author= suggested) (bantuan)
  3. ↑ Agrawal, Anurag (7 March 2017). Monarchs and Milkweed: A Migrating Butterfly, a Poisonous Plant, and Their Remarkable Story of Coevolution. Princeton University Press. ISBN 9781400884766.
  4. ↑ "Wanderer Butterfly". Australian Museum: nature culture discover. Australian Museum, Sydney, Australia. Dicapai pada 15 Julai 2010. External link in |work= (bantuan)
  5. ↑ "Regal the monarch butterfly". Critters of Calamvale Creek. Robert Doolan. 2007. Dicapai pada 15 Julai 2010.[pautan putus]
  6. ↑ "Wanderer Butterfly". Online Learning Resources. School of Biological Sciences,The University of Sydney. Dicapai pada 2010-07-15. External link in |publisher=, |work= (bantuan)
  7. ↑ UK Butterflies - Monarch - Danaus plexippus from UK Butterflies
  8. ↑
  9. ↑ Adams, Jean Ruth (1992). Insect Potpourri: Adventures in Entomology. CRC Press. m/s. 28–29. ISBN 978-1-877743-09-2.
  10. ↑ "Monarch, Danaus plexippus". Dicapai pada 2008-08-27.