Ponco, K. Y. Y., Pajas, A. M. G. A., & Rayos, A. A. (2021). Ultrasonographic features of the uterus and ovaries in Holstein-Sahiwal crossbred dairy heifers at different phases of the estrous cycle. The Philippine Journal of Veterinary Medicine.
Chicago Style (17. basım) AtıfPonco, Kristine Ysabel Y., Arville Mar Gregorio A. Pajas, ve Antonio A. Rayos. "Ultrasonographic Features of the Uterus and Ovaries in Holstein-Sahiwal Crossbred Dairy Heifers at Different Phases of the Estrous Cycle." The Philippine Journal of Veterinary Medicine 2021.
MLA (9th ed.) AtıfPonco, Kristine Ysabel Y., et al. "Ultrasonographic Features of the Uterus and Ovaries in Holstein-Sahiwal Crossbred Dairy Heifers at Different Phases of the Estrous Cycle." The Philippine Journal of Veterinary Medicine, 2021.