توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Akinokun, O. (2015). Effects of Age of Cow at First calving, Period of Calving and Calving Sequence on Calving Interval of N’dama and Keteku Cattle, and their Crosses in Southwestern Nigeria. Faculty of Agriculture, University of Ife.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Akinokun, O. Effects of Age of Cow at First Calving, Period of Calving and Calving Sequence on Calving Interval of N’dama and Keteku Cattle, and Their Crosses in Southwestern Nigeria. Faculty of Agriculture, University of Ife, 2015.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Akinokun, O. Effects of Age of Cow at First Calving, Period of Calving and Calving Sequence on Calving Interval of N’dama and Keteku Cattle, and Their Crosses in Southwestern Nigeria. Faculty of Agriculture, University of Ife, 2015.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.