Παραπομπή APA

Hancock, J. C. (1974). An introduction to the principles of communication theory. Tata McGraw-Hill.

Παραπομπή Chicago Style

Hancock, John C. An Introduction to the Principles of Communication Theory. Newdelhi: Tata McGraw-Hill, 1974.

Παραπομπή MLA

Hancock, John C. An Introduction to the Principles of Communication Theory. Tata McGraw-Hill, 1974.