Gaya APA

Devito, J, A. (2007). The Interpersonal Communication Book, Eleventh Edition (11th Ed.). United State of America: Pearson Education International.

Gaya MLA

Devito, Joshep, A.. "The Interpersonal Communication Book, Eleventh Edition". 11th Ed. United State of America: Pearson Education International, 2007. Text.