Παραπομπή σε μορφή APA (7η εκδ.)

Ritchie J. R. Brent & Goeldner Charles R. (2004). Travel, tourism, and hospitality research: A handbook for managers and researchers (2nd ed.). Wiley, J.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ritchie J. R. Brent και Goeldner Charles R. Travel, Tourism, and Hospitality Research: A Handbook for Managers and Researchers. 2nd ed. Wiley, J, 2004.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ritchie J. R. Brent και Goeldner Charles R. Travel, Tourism, and Hospitality Research: A Handbook for Managers and Researchers. 2nd ed. Wiley, J, 2004.