Carpio, R. C., & Encarnacion, A. M. (1981). Effective speaking. Rex Book Store.
Chicagoスタイル(17版)引用形式Carpio, Rustica C., , Anacleta M. Encarnacion. Effective Speaking. Manila: Rex Book Store, 1981.
MLA(9版)引用形式Carpio, Rustica C., , Anacleta M. Encarnacion. Effective Speaking. Rex Book Store, 1981.
警告: この引用は必ずしも正確ではありません.