Παραπομπή APA

Hancock, J. C. (2001). Introduction to the principles of communication theory (1st.). TMH.

Παραπομπή Chicago Style

Hancock, John C. Introduction to the Principles of Communication Theory. 1st. New Delhi: TMH, 2001.

Παραπομπή MLA

Hancock, John C. Introduction to the Principles of Communication Theory. 1st. TMH, 2001.