Παραπομπή σε μορφή APA (7η εκδ.)

Powers, T., & Barrows, C. W. (1999). Introduction to management in the Hospitality industry (6th ed.). Wiley.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Powers, Tom, και Clayton W. Barrows. Introduction to Management in the Hospitality Industry. 6th ed. New York, Chichester: Wiley, 1999.

Παραπομπή σε μορφή MLA (9th εκδ.)

Powers, Tom, και Clayton W. Barrows. Introduction to Management in the Hospitality Industry. 6th ed. Wiley, 1999.