APA aipamena

Hopper, R., & Whitehead, J. L. (1979). Communication: Concepts and skills. Harper & Row.

Chicago Style aipamena

Hopper, Robert, and Jack L. Whitehead. Communication: Concepts and Skills. New York: Harper & Row, 1979.

MLA aipamena

Hopper, Robert, and Jack L. Whitehead. Communication: Concepts and Skills. Harper & Row, 1979.