Παραπομπή σε μορφή APA (7η εκδ.)

Messenger, S., & Allen, R. (1994). Management skills: A resource-based approach for the hospitality and tourism industries. Cassell.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Messenger, Sally, και Rob Allen. Management Skills: A Resource-based Approach for the Hospitality and Tourism Industries. London: Cassell, 1994.

Παραπομπή σε μορφή MLA (9th εκδ.)

Messenger, Sally, και Rob Allen. Management Skills: A Resource-based Approach for the Hospitality and Tourism Industries. Cassell, 1994.