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MLA

1921- Betty B. Peterkin. "Food Selection for Good Nutrition In Group Feeding : Slightly Rev. Feb. 1971." , online. Print

APA

1921- Betty B. Peterkin, 1. Betty B. Peterkin. (0000). Food selection for good nutrition in group feeding : Slightly rev. Feb. 1971.

Chicago

1921- Betty B. Peterkin "Food selection for good nutrition in group feeding : Slightly rev. Feb. 1971" (0000): online.