Παραπομπή APA

Kreck, L. A. (1978). Operational problem solving for the hotel and restaurant industry: The Pullman method. Boston, Mass.: CBI Pub. Co..

Παραπομπή Chicago Style

Kreck, Lothar A. Operational Problem Solving for the Hotel and Restaurant Industry: The Pullman Method. Boston, Mass.: CBI Pub. Co., 1978.

Παραπομπή MLA

Kreck, Lothar A. Operational Problem Solving for the Hotel and Restaurant Industry: The Pullman Method. Boston, Mass.: CBI Pub. Co., 1978.

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