Fox, J., Spire, M., Kessen, T., Sulpizio, M., & Drouillard, J. S. (2002). Effects of melengestrol acetate (MGA) on performance and carcass quality of feedlot heifers. Kansas Agricultural Experiment Station Research Reports. https://doi.org/10.4148/2378-5977.1681
Παραπομπή σε μορφή Chicago (17η εκδ.)Fox, J.T, M.F Spire, T.J Kessen, M.J Sulpizio, και James S. Drouillard. "Effects of Melengestrol Acetate (MGA) on Performance and Carcass Quality of Feedlot Heifers." Kansas Agricultural Experiment Station Research Reports 2002. https://doi.org/10.4148/2378-5977.1681.
Παραπομπή σε μορφή MLA (9th εκδ.)Fox, J.T, et al. "Effects of Melengestrol Acetate (MGA) on Performance and Carcass Quality of Feedlot Heifers." Kansas Agricultural Experiment Station Research Reports, 2002, https://doi.org/10.4148/2378-5977.1681.