Gaya APA

Ph.D, R, C, C., Ph.D, A, M, E. (2005). Private and Public Speaking . Jakarta: Yayasan Obor Indonesia.

Gaya MLA

Ph.D, Rustika, C., Carpio,., Ph.D, Anacleta, M., Encarnacion,. "Private and Public Speaking". Jakarta: Yayasan Obor Indonesia, 2005. .