Webster, M., & Chew, Y. F. (1997). A photographic guide to birds of thailand. Asia Books.
Chicago Style (17th ed.) ZitazioaWebster, Michael, eta Yen Fook Chew. A Photographic Guide to Birds of Thailand. Bangkok: Asia Books, 1997.
MLA (9th ed.) ZitazioaWebster, Michael, eta Yen Fook Chew. A Photographic Guide to Birds of Thailand. Asia Books, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.