Troller, J. A. (1993). Sanitation in food processing (2nd ed.). Academic Press.
Lua i Stíl Chicago (17ú heag.)Troller, John A. Sanitation in Food Processing. 2nd ed. San Diego: Academic Press, 1993.
Lua MLA (8ú heag.)Troller, John A. Sanitation in Food Processing. 2nd ed. Academic Press, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.