Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.