Παραπομπή σε μορφή APA (7η εκδ.)

Starr, N. (1993). Viewpoint: An introduction to travel, tourism, and hospitality. Houghton mifflin company.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Starr, Nona. Viewpoint: An Introduction to Travel, Tourism, and Hospitality. Boston: Houghton mifflin company, 1993.

Παραπομπή σε μορφή MLA (8th εκδ.)

Starr, Nona. Viewpoint: An Introduction to Travel, Tourism, and Hospitality. Houghton mifflin company, 1993.