Oke, S. O., & Isichei, A. O. (2014). Yield and Nitrogen Accumulation by Andropogon gayanus and Schizachyrium sanguineum Grown under Four Nitrogen and Water Application Regimes in Gravel and Sand Pot Culture.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Oke, Samson O., و Augustine O. Isichei. Yield and Nitrogen Accumulation by Andropogon Gayanus and Schizachyrium Sanguineum Grown Under Four Nitrogen and Water Application Regimes in Gravel and Sand Pot Culture. 2014.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Oke, Samson O., و Augustine O. Isichei. Yield and Nitrogen Accumulation by Andropogon Gayanus and Schizachyrium Sanguineum Grown Under Four Nitrogen and Water Application Regimes in Gravel and Sand Pot Culture. 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.