APA (7e ed.) Bronvermelding

Hertzon, S. (1971). Hospitality industry cooperative training. ITT Educational Services.

Chicago (17e ed.) Bronvermelding

Hertzon, Seymour. Hospitality Industry Cooperative Training. New York: ITT Educational Services, 1971.

MLA (9e ed.) Bronvermelding

Hertzon, Seymour. Hospitality Industry Cooperative Training. ITT Educational Services, 1971.

Let op: Deze citaties zijn niet altijd 100% accuraat.