Johansson, I. (1961). Genetic aspects of dairy cattle breeding. University of Illimois at Urbana-Champaign.
Cita Chicago Style (17a ed.)Johansson, Ivar. Genetic Aspects of Dairy Cattle Breeding. Urbana: University of Illimois at Urbana-Champaign, 1961.
Cita MLA (8a ed.)Johansson, Ivar. Genetic Aspects of Dairy Cattle Breeding. University of Illimois at Urbana-Champaign, 1961.
Precaución: Estas citas no son 100% exactas.