Gaya APA

Carpio, R, C., Encarnation, A, M. (2005). Private and Public Speaking (Edisi. 1). Jakarta: Yayasan Obor Indonesia.

Gaya MLA

Carpio, Rustica, C.., Encarnation, Analicta, M. "Private and Public Speaking". Edisi. 1 Jakarta: Yayasan Obor Indonesia, 2005. Text.