APA (7e ed.) Bronvermelding

Bigornia, M. L., & Abrera , J. (1983). Kain, kumain, kinain: Isang halimbawa ng "food chain" (2nd ed.). Children's Communication Center.

Chicago (17e ed.) Bronvermelding

Bigornia, Mike L., en Jess Abrera. Kain, Kumain, Kinain: Isang Halimbawa Ng "Food Chain". 2nd ed. Quezon City: Children's Communication Center, 1983.

MLA (9e ed.) Bronvermelding

Bigornia, Mike L., en Jess Abrera. Kain, Kumain, Kinain: Isang Halimbawa Ng "Food Chain". 2nd ed. Children's Communication Center, 1983.