Kotschevar, L. H., & Luciani, V. (1999). Presenting service: The ultimate guide for the foodservice professional. Educational Foundation.
Lua i Stíl Chicago (17ú heag.)Kotschevar, Lendal Henry, agus Valentino Luciani. Presenting Service: The Ultimate Guide for the Foodservice Professional. [Chicago, Ill.]: Educational Foundation, 1999.
Lua MLA (9ú heag.)Kotschevar, Lendal Henry, agus Valentino Luciani. Presenting Service: The Ultimate Guide for the Foodservice Professional. Educational Foundation, 1999.
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