Style de citation APA (7e éd.)
O'Sullivan, L. (2010). Client service excellence: The 10 commandments. Knowres Publishing.
Style de citation Chicago (17e éd.)
O'Sullivan, Larry. Client Service Excellence: The 10 Commandments. Randburg, Republic of South Africa: Knowres Publishing, 2010.
Style de citation MLA (9e éd.)
O'Sullivan, Larry. Client Service Excellence: The 10 Commandments. Knowres Publishing, 2010.
Attention : ces citations peuvent ne pas être correctes à 100%.