Style de citation APA (7e éd.)

Libosada, C. M. (2009). Birdwatching in the Philippines. Department of Tourism ; Recreational Outdoor Exchange ; Wild Bird Club of the Philippines.

Style de citation Chicago (17e éd.)

Libosada, Carlos M. Birdwatching in the Philippines. Philippines: Department of Tourism ; Recreational Outdoor Exchange ; Wild Bird Club of the Philippines, 2009.

Style de citation MLA (9e éd.)

Libosada, Carlos M. Birdwatching in the Philippines. Department of Tourism ; Recreational Outdoor Exchange ; Wild Bird Club of the Philippines, 2009.