Cita APA (7a ed.)
Prochnow, H. (2005). 1001 ways to improve your conversation and speeches. Jaico Pub.
Cita Chicago Style (17a ed.)
Prochnow, Herbert. 1001 Ways to Improve Your Conversation and Speeches. Kolkata: Jaico Pub, 2005.
Cita MLA (9a ed.)
Prochnow, Herbert. 1001 Ways to Improve Your Conversation and Speeches. Jaico Pub, 2005.
Precaución: Estas citas no son 100% exactas.