Lua APA (7ú heag.)
Roberts, C. A. (2001). The food safety information handbook. Oryx Press.
Lua i Stíl Chicago (17ú heag.)
Roberts, Cynthia A. The Food Safety Information Handbook. Westport, CT: Oryx Press, 2001.
Lua MLA (9ú heag.)
Roberts, Cynthia A. The Food Safety Information Handbook. Oryx Press, 2001.
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