Gaya APA

Zelley, M, D, E, D. (2011). Applying Communication Theory for Professional Life : A Practical Introduction (2). California: SAGE Publications Inc.

Gaya MLA

Zelley, Marianne, Dainton,, Elaine, D.. "Applying Communication Theory for Professional Life : A Practical Introduction". 2 California: SAGE Publications Inc, 2011. Text.