Libosada, C. M. (2009). Birdwatching in the Philippines. Department of Tourism ; Recreational Outdoor Exchange ; Wild Bird Club of the Philippines.
Citação do estilo Chicago (17ª ed.)Libosada, Carlos M. Birdwatching in the Philippines. Philippines: Department of Tourism ; Recreational Outdoor Exchange ; Wild Bird Club of the Philippines, 2009.
Citação MLA (9ª ed.)Libosada, Carlos M. Birdwatching in the Philippines. Department of Tourism ; Recreational Outdoor Exchange ; Wild Bird Club of the Philippines, 2009.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.