Gaya APA

Black, S., Sharpe, M, L. (1983). Practical Public Relations : Common Sense Guidelines For Business And Profesional People . New York: Prentice Hall.

Gaya MLA

Black, Sam., Sharpe, Melvin, L. "Practical Public Relations : Common Sense Guidelines For Business And Profesional People". New York: Prentice Hall, 1983. Text.