Alcasid, G. L., Gonzales, P. C., & Araneta, G. (1970). Kalikasan, mga ibon: A guide to the National Museum exhibition of the same titile and a preliminary manuscript about some Philippine birds. Friends of the National Museum of the Philippines, for the National Museum.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিAlcasid, Godofredo L., Pedro C. Gonzales, এবং Gemma Araneta. Kalikasan, Mga Ibon: A Guide to the National Museum Exhibition of the Same Titile and a Preliminary Manuscript About Some Philippine Birds. [Manila: Friends of the National Museum of the Philippines, for the National Museum, 1970.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিAlcasid, Godofredo L., et al. Kalikasan, Mga Ibon: A Guide to the National Museum Exhibition of the Same Titile and a Preliminary Manuscript About Some Philippine Birds. Friends of the National Museum of the Philippines, for the National Museum, 1970.