Παραπομπή APA
Lundberg, D. E., & Armatas, J. P. (1980). The management of people in hotels, restaurants, and clubs (4th ed.). Dubuque: W.C. Brown Co..
Παραπομπή Chicago StyleLundberg, Donald E., and James P. Armatas. The Management of People in Hotels, Restaurants, and Clubs. 4th ed. Dubuque: W.C. Brown Co., 1980.
Παραπομπή MLALundberg, Donald E., and James P. Armatas. The Management of People in Hotels, Restaurants, and Clubs. 4th ed. Dubuque: W.C. Brown Co., 1980.
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