Cita APA (7th ed.)

Webster, M., & Chew, Y. F. (1997). A photographic guide to birds of thailand. Asia Books.

Cita Chicago (17th ed.)

Webster, Michael, i Yen Fook Chew. A Photographic Guide to Birds of Thailand. Bangkok: Asia Books, 1997.

Cita MLA (9th ed.)

Webster, Michael, i Yen Fook Chew. A Photographic Guide to Birds of Thailand. Asia Books, 1997.