Gaya APA

Hamilton, C., Parker, C. (1993). Communicating for Results : A Guide for Business and the Professions (4th ed.). Belmont: Wadsworth.

Gaya MLA

Hamilton, Cheryl., Parker, Cordell. "Communicating for Results : A Guide for Business and the Professions". 4th ed. Belmont: Wadsworth, 1993. print.