APA

Tench R., Yeomans L., . (2006). Exploring public relations. New York: Prentice Hall.

Chicago

Tench Ralph, Yeomans Liz, . 2006. Exploring public relations. New York: Prentice Hall.

Harvard

Tench R., Yeomans L., . (2006). Exploring public relations. New York: Prentice Hall.

MLA

Tench Ralph, Yeomans Liz, . Exploring public relations. New York: Prentice Hall. 2006.