Cita APA (7th ed.)

Littlejohn, S. W., & Foss, K. A. (2009). Communication theory (Philippine edition.). Wadsworth.

Cita Chicago (17th ed.)

Littlejohn, Stephen W., i Karen A. Foss. Communication Theory. Philippine edition. Singapore: Wadsworth, 2009.

Cita MLA (9th ed.)

Littlejohn, Stephen W., i Karen A. Foss. Communication Theory. Philippine edition. Wadsworth, 2009.