Gaya APA

m.pd., D, M, A, S., alternatives, P, P. (2009). Publik Speaking (Eighth Edition). America: pearson education, inc..

Gaya MLA

m.pd., Dr., Mb., Ali, Sya’ban,., alternatives, Progressive, Publishing. "Publik Speaking". Eighth Edition America: pearson education, inc., 2009. Text.