Singh, R. P., & Heldman, D. R. (2009). Introduction to food engineering (4th ed.). Elsevier.
Lua i Stíl Chicago (17ú heag.)Singh, R. Paul, agus Dennis R. Heldman. Introduction to Food Engineering. 4th ed. Amsterdam: Elsevier, 2009.
Lua MLA (9ú heag.)Singh, R. Paul, agus Dennis R. Heldman. Introduction to Food Engineering. 4th ed. Elsevier, 2009.
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