Evans, J. R. (1970). About nutria and their control. Denver: U.S. Goverment Printing.
Citación estilo ChicagoEvans, James Robert. About Nutria and Their Control. Denver: U.S. Goverment Printing, 1970.
Cita MLAEvans, James Robert. About Nutria and Their Control. Denver: U.S. Goverment Printing, 1970.
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