Gaya APA

Haas, R, E, O, (, D, E, M, A. (2000). Introduction to Communication Disorders . : Allyn & Bacon.

Gaya MLA

Haas, Robert, E., Owens, (Jr.);, Dale, Evan, Metz;, Adelaide. "Introduction to Communication Disorders". : Allyn & Bacon, 2000. Text.