Martin, A. D., Lystad, M. L., Reksen, O., Ropstad, E., Waldmann, A., Nafstad, O., & Karlberg, K. (2010). Assessment of progesterone profiles and postpartum onset of luteal activity in spring calving Hereford beef suckler cattle. BioMed Central.
استشهاد بنمط شيكاغوMartin, Adam D., Marit L. Lystad, Olav Reksen, Erik Ropstad, Andres Waldmann, Ola Nafstad, و Knut Karlberg. Assessment of Progesterone Profiles and Postpartum Onset of Luteal Activity in Spring Calving Hereford Beef Suckler Cattle. BioMed Central, 2010.
MLA استشهادMartin, Adam D., et al. Assessment of Progesterone Profiles and Postpartum Onset of Luteal Activity in Spring Calving Hereford Beef Suckler Cattle. BioMed Central, 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.