Cita APA (7a ed.)
Wirtu, G., Tegegne, A., & Kassa, T. (1994). Determination of accuracy of oestrus detection in zebu and crossbred cattle using plasma progesterone concentrations.
Cita Chicago Style (17a ed.)
Wirtu, G., Azage Tegegne, y T. Kassa. Determination of Accuracy of Oestrus Detection in Zebu and Crossbred Cattle Using Plasma Progesterone Concentrations. 1994.
Cita MLA (9a ed.)
Wirtu, G., et al. Determination of Accuracy of Oestrus Detection in Zebu and Crossbred Cattle Using Plasma Progesterone Concentrations. 1994.
Precaución: Estas citas no son 100% exactas.