Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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