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MLA

Peterkin, Betty B, United States, and Agricultural Research Service. "Nutrimeter : Student's Guide." , p.. Print

APA

Peterkin, B. B, United States, U. States, & Agricultural Research Service, A. Research Service. (0000). Nutrimeter : student's guide.

Chicago

Peterkin, Betty B., United States, and Agricultural Research Service. "Nutrimeter : student's guide" (1975): p..