Style de citation APA (7e éd.)
Collier, M. (2011). The ultimate online customer service guide: How to connect with your customers to sell more! John Wiley & Sons.
Style de citation Chicago (17e éd.)
Collier, Marsha. The Ultimate Online Customer Service Guide: How to Connect with Your Customers to Sell More! Hoboken, N.J.: John Wiley & Sons, 2011.
Style de citation MLA (9e éd.)
Collier, Marsha. The Ultimate Online Customer Service Guide: How to Connect with Your Customers to Sell More! John Wiley & Sons, 2011.
Attention : ces citations peuvent ne pas être correctes à 100%.