Gale, K. (1985). Behavioural and supervisory studies for hotel and catering operations. Gale Odgers.
Chicago Style (17. basım) AtıfGale, Ken. Behavioural and Supervisory Studies for Hotel and Catering Operations. Millbrook, Cornwall: Gale Odgers, 1985.
MLA (8th ed.) AtıfGale, Ken. Behavioural and Supervisory Studies for Hotel and Catering Operations. Gale Odgers, 1985.
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