Cowie, A. T. (1948). Pregnancy diagnosis tests: A review. Commonwealth Bureaux of Animal Breeding and Genetics.
Cita Chicago Style (17a ed.)Cowie, A. T. Pregnancy Diagnosis Tests: A Review. Edinburgh: Commonwealth Bureaux of Animal Breeding and Genetics, 1948.
Cita MLA (9a ed.)Cowie, A. T. Pregnancy Diagnosis Tests: A Review. Commonwealth Bureaux of Animal Breeding and Genetics, 1948.
Precaución: Estas citas no son 100% exactas.