Cita APA (7th ed.)

Klymshyn, J. (2008). How to sell without being a jerk!: The foolproof approach to the world's second oldest profession. John Wiley & Sons.

Cita Chicago (17th ed.)

Klymshyn, John. How to Sell Without Being a Jerk!: The Foolproof Approach to the World's Second Oldest Profession. Hoboken, NJ: John Wiley & Sons, 2008.

Cita MLA (8th ed.)

Klymshyn, John. How to Sell Without Being a Jerk!: The Foolproof Approach to the World's Second Oldest Profession. John Wiley & Sons, 2008.

Atenció: Aquestes cites poden no estar 100% correctes.