Παραπομπή APA

Ludlow,Ron, & Panton,Fergus. (2002). Essence of effective communication. Prentice Hall.

Παραπομπή Chicago Style

Ludlow,Ron, και Panton,Fergus. Essence of Effective Communication. New Delhi: Prentice Hall, 2002.

Παραπομπή MLA

Ludlow,Ron, και Panton,Fergus. Essence of Effective Communication. Prentice Hall, 2002.