Carroll, W. E., & Krider, J. L. (1956). Swine production (2nd. ed.). McGraw-Hill.
Cita Chicago Style (17a ed.)Carroll, W. E., y J. L. Krider. Swine Production. 2nd. ed. New York: McGraw-Hill, 1956.
Cita MLA (8a ed.)Carroll, W. E., y J. L. Krider. Swine Production. 2nd. ed. McGraw-Hill, 1956.
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