Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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