Cita APA (7a ed.)

Zainuddin, R. C. C. d. A. M. E. p. A. R. Private and public speaking. Yayasan Obor Indonesia.

Cita Chicago Style (17a ed.)

Zainuddin, Rustica C. Carpio dan Anacleta M. Encarnacion penerjemah A. Rahman. Private and Public Speaking. Yayasan Obor Indonesia.

Cita MLA (8a ed.)

Zainuddin, Rustica C. Carpio dan Anacleta M. Encarnacion penerjemah A. Rahman. Private and Public Speaking. Yayasan Obor Indonesia.