Pennington, J. A., & Nichols Church, H. (1985). Bowes and Church's Food Values of Portions Commonly Used (14ª edición.). J. B. Lippincott Company.
Cita Chicago Style (17a ed.)Pennington, Jean A.T, y Helen Nichols Church. Bowes and Church's Food Values of Portions Commonly Used. 14ª edición. Philadelphia, Pennsylvania: J. B. Lippincott Company, 1985.
Cita MLA (9a ed.)Pennington, Jean A.T, y Helen Nichols Church. Bowes and Church's Food Values of Portions Commonly Used. 14ª edición. J. B. Lippincott Company, 1985.
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