Citazione Stile APA (7a Edizione)
Klymshyn, J. (2008). How to sell without being a jerk!: The foolproof approach to the world's second oldest profession. John Wiley & Sons.
Citazione stile Chigago Style (17a edizione)
Klymshyn, John. How to Sell Without Being a Jerk!: The Foolproof Approach to the World's Second Oldest Profession. Hoboken, N.J.: John Wiley & Sons, 2008.
Citatione MLA (9a ed.)
Klymshyn, John. How to Sell Without Being a Jerk!: The Foolproof Approach to the World's Second Oldest Profession. John Wiley & Sons, 2008.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.