Parker, M. E., & Litchfield, J. H. (1962). Food plant sanitation. Reinhold Publishing.
Cita Chicago (17th ed.)Parker, Milton E., i John H. Litchfield. Food Plant Sanitation. Nueva York: Reinhold Publishing, 1962.
Cita MLA (9th ed.)Parker, Milton E., i John H. Litchfield. Food Plant Sanitation. Reinhold Publishing, 1962.
Atenció: Aquestes cites poden no estar 100% correctes.