Cita APA (7a ed.)
Haile-Mariam, M., & Kassa-Mersha, H. (1994). Genetic and environmental effects on age at first calving and calving interval of naturally bred Boran(zebu) cows in Ethiopia. Cambridge University Press.
Cita Chicago Style (17a ed.)
Haile-Mariam, M., y H. Kassa-Mersha. Genetic and Environmental Effects on Age at First Calving and Calving Interval of Naturally Bred Boran(zebu) Cows in Ethiopia. Cambridge University Press, 1994.
Cita MLA (9a ed.)
Haile-Mariam, M., y H. Kassa-Mersha. Genetic and Environmental Effects on Age at First Calving and Calving Interval of Naturally Bred Boran(zebu) Cows in Ethiopia. Cambridge University Press, 1994.
Precaución: Estas citas no son 100% exactas.