Style de citation APA (7e éd.)

Gonda,Cyrus M. Where is my ketchup: How to give & receive exceotional customer service. Embassy Book.

Style de citation Chicago (17e éd.)

Gonda,Cyrus M. Where Is My Ketchup: How to Give & Receive Exceotional Customer Service. Mumbai: Embassy Book.

Style de citation MLA (9e éd.)

Gonda,Cyrus M. Where Is My Ketchup: How to Give & Receive Exceotional Customer Service. Embassy Book.

Attention : ces citations peuvent ne pas être correctes à 100%.