Richardson, T. M., & Nicodemus, W. R. (1981). Sanitation for food service workers (3rd ed.). Van Nostrand Reinhold Company.
शिकागो स्टाइल उद्धरणRichardson, Treva M., और Wade R. Nicodemus. Sanitation for Food Service Workers. 3rd ed. New York: Van Nostrand Reinhold Company, 1981.
एमएलए उद्धरणRichardson, Treva M., और Wade R. Nicodemus. Sanitation for Food Service Workers. 3rd ed. Van Nostrand Reinhold Company, 1981.
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