Wigger, G. E. (1991). Catering to every whim: A complete guide to catering sales, administration, and operations. Prentice Hall.
Citace podle Chicago (17th ed.)Wigger, G. Eugene. Catering to Every Whim: A Complete Guide to Catering Sales, Administration, and Operations. Englewood Cliffs, N.J: Prentice Hall, 1991.
Citace podle MLA (9th ed.)Wigger, G. Eugene. Catering to Every Whim: A Complete Guide to Catering Sales, Administration, and Operations. Prentice Hall, 1991.
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