Cita APA (7th ed.)

Gonzales, P. C., & Rees, C. P. (1988). Birds of the Philippines. Haribon Foundation for the Conservation of Natural Resources.

Cita Chicago (17th ed.)

Gonzales, Pedro C., i Colin P. Rees. Birds of the Philippines. Manila: Haribon Foundation for the Conservation of Natural Resources, 1988.

Cita MLA (9th ed.)

Gonzales, Pedro C., i Colin P. Rees. Birds of the Philippines. Haribon Foundation for the Conservation of Natural Resources, 1988.