Hertzon, S. (1971). Hospitality industry cooperative training. ITT Educational Services.
Chicagoスタイル(17版)引用形式Hertzon, Seymour. Hospitality Industry Cooperative Training. New York: ITT Educational Services, 1971.
MLA(9版)引用形式Hertzon, Seymour. Hospitality Industry Cooperative Training. ITT Educational Services, 1971.
警告: この引用は必ずしも正確ではありません.