Cita APA (7a ed.)
Tegegne, A., Galal, E., & Kebede, B. (1981). A study on the reproduction of local zebu and F1 crossbred (European x zebu) cows. I. Number of services per conception, gestation length and days open till conception.
Cita Chicago Style (17a ed.)
Tegegne, Azage, E.S.E Galal, y B. Kebede. A Study on the Reproduction of Local Zebu and F1 Crossbred (European X Zebu) Cows. I. Number of Services Per Conception, Gestation Length and Days Open Till Conception. 1981.
Cita MLA (9a ed.)
Tegegne, Azage, et al. A Study on the Reproduction of Local Zebu and F1 Crossbred (European X Zebu) Cows. I. Number of Services Per Conception, Gestation Length and Days Open Till Conception. 1981.
Precaución: Estas citas no son 100% exactas.