Cita APA (7th ed.)
Davis, K. 1. -. (1991). Secrets of dynamic communication. Zondervan.
Cita Chicago (17th ed.)
Davis, Ken 1946 -. Secrets of Dynamic Communication. Grand Rapids: Zondervan, 1991.
Cita MLA (9th ed.)
Davis, Ken 1946 -. Secrets of Dynamic Communication. Zondervan, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.