Bigornia, M. L., & Abrera , J. (1983). Kain, kumain, kinain: Isang halimbawa ng "food chain" (2nd ed.). Children's Communication Center.
Chicagoスタイル(17版)引用形式Bigornia, Mike L., , Jess Abrera. Kain, Kumain, Kinain: Isang Halimbawa Ng "Food Chain". 2nd ed. Quezon City: Children's Communication Center, 1983.
MLA(9版)引用形式Bigornia, Mike L., , Jess Abrera. Kain, Kumain, Kinain: Isang Halimbawa Ng "Food Chain". 2nd ed. Children's Communication Center, 1983.
警告: この引用は必ずしも正確ではありません.