Gaya APA

Stansberry, A, H, C, P, J, S, S, F, R. (2012). Public Relations Practices . : Prentice Hall.

Gaya MLA

Stansberry, Allen, H., Center;, Patrick, Jackson;, Stacey, Smith;, Frank, R.. "Public Relations Practices". : Prentice Hall, 2012. Text.