Cita APA

Kegel, C. H., & Stevens, M. (1959). Communication Principles and Practice. San Francisco: Wadsworth Pub. Co..

Chicago Style Citation

Kegel, Charles H., i Martin Stevens. Communication Principles and Practice. San Francisco: Wadsworth Pub. Co., 1959.

Cita MLA

Kegel, Charles H., i Martin Stevens. Communication Principles and Practice. San Francisco: Wadsworth Pub. Co., 1959.

Atenció: Aquestes cites poden no estar 100% correctes.