Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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