Libosada, C. M. (2009). Birdwatching in the Philippines. Department of Tourism ; Recreational Outdoor Exchange ; Wild Bird Club of the Philippines.
Lua i Stíl Chicago (17ú heag.)Libosada, Carlos M. Birdwatching in the Philippines. Philippines: Department of Tourism ; Recreational Outdoor Exchange ; Wild Bird Club of the Philippines, 2009.
Lua MLA (9ú heag.)Libosada, Carlos M. Birdwatching in the Philippines. Department of Tourism ; Recreational Outdoor Exchange ; Wild Bird Club of the Philippines, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.