Rueff, G. A., & Catlin, G. L. (1884). Cattle breeds of the world. Judd & Detweiler, printers.
Chicago-čujuhus (17. p.)Rueff, Gottlob Adolf, juo George L. Catlin. Cattle Breeds of the World. Washington, D.C.: Judd & Detweiler, printers, 1884.
MLA-čujuhus (9. p.)Rueff, Gottlob Adolf, juo George L. Catlin. Cattle Breeds of the World. Judd & Detweiler, printers, 1884.
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