APA-čujuhus (7. p.)
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.
Chicago-čujuhus (17. p.)
Lewis, David H., juo 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.
MLA-čujuhus (9. p.)
Lewis, David H., juo G. Riley Mills. The Pin Drop Principle: Captivate, Influence, and Communicate Better Using the Time-tested Methods of Professional Performers. Jossey-Bass, 2012.
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