Gaya APA

Beebe, S, A., Mottet, T, P. (2013). Business and Professional Communication; Principles and Skills for Leadership--Second Edition . Boston: Pearson.

Gaya MLA

Beebe, Steven, A.., Mottet, Timothy, P.. "Business and Professional Communication; Principles and Skills for Leadership--Second Edition". Boston: Pearson, 2013. Text.