Παραπομπή σε μορφή APA (7η εκδ.)

Martin William B. (2002). Quality service: What every hospitality manager needs to know. Prentice Hall.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Martin William B. Quality Service: What Every Hospitality Manager Needs to Know. Prentice Hall, 2002.

Παραπομπή σε μορφή MLA (8th εκδ.)

Martin William B. Quality Service: What Every Hospitality Manager Needs to Know. Prentice Hall, 2002.