Juergenson, E. M. (1964). Approved practices in beef cattle production ([3d ed.].). The Interstate Printers & Publishers.
Lua i Stíl Chicago (17ú heag.)Juergenson, Elwood M. Approved Practices in Beef Cattle Production. [3d ed.]. Danville, Ill.: The Interstate Printers & Publishers, 1964.
Lua MLA (8ú heag.)Juergenson, Elwood M. Approved Practices in Beef Cattle Production. [3d ed.]. The Interstate Printers & Publishers, 1964.
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