Harrow, B. (1921). Vitamines: Essential food factors. E.P. Dutton & Co..
Chicago Style aipamenaHarrow, Benjamin. Vitamines: Essential Food Factors. New York: E.P. Dutton & Co., 1921.
MLA aipamenaHarrow, Benjamin. Vitamines: Essential Food Factors. E.P. Dutton & Co., 1921.
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