Cita APA (7th ed.)

Lewis, D. H., & Mills, G. R. (2012). The pin drop principle: Captivate, influence, and communicate better using the time-tested methods of professional performers. Jossey-Bass.

Cita Chicago (17th ed.)

Lewis, David H., i G. Riley Mills. The Pin Drop Principle: Captivate, Influence, and Communicate Better Using the Time-tested Methods of Professional Performers. San Francisco, CA: Jossey-Bass, 2012.

Cita MLA (9th ed.)

Lewis, David H., i G. Riley Mills. The Pin Drop Principle: Captivate, Influence, and Communicate Better Using the Time-tested Methods of Professional Performers. Jossey-Bass, 2012.