Concepcion, C., Sulapas, M., & Ibañez, J. C. (2006). Notes on food habits and breeding and nestling behavior of Philippine Eagles in Mount Apo Natural Park, Mindanao, Philippines. Banwa.
Chicago-referens (17:e uppl.)Concepcion, Camille, Margaret Sulapas, och Jayson C. Ibañez. "Notes on Food Habits and Breeding and Nestling Behavior of Philippine Eagles in Mount Apo Natural Park, Mindanao, Philippines." Banwa 2006.
MLA-referens (9:e uppl.)Concepcion, Camille, et al. "Notes on Food Habits and Breeding and Nestling Behavior of Philippine Eagles in Mount Apo Natural Park, Mindanao, Philippines." Banwa, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.