Παραπομπή σε μορφή APA (7η εκδ.)

Knowles, T. (1998). Hospitality management: An introduction (2nd ed.). Financial Times, Prentice Hall.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Knowles, Tim. Hospitality Management: An Introduction. 2nd ed. Harlow, England: Financial Times, Prentice Hall, 1998.

Παραπομπή σε μορφή MLA (9th εκδ.)

Knowles, Tim. Hospitality Management: An Introduction. 2nd ed. Financial Times, Prentice Hall, 1998.