Isichei, A. O. (2014). Stocks of Nitrogen in Vegetation and Soil in West African Moist Savannas and Potential Effects of Climate Change and Land Use on these Stocks.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Isichei, Augustine O. Stocks of Nitrogen in Vegetation and Soil in West African Moist Savannas and Potential Effects of Climate Change and Land Use on These Stocks. 2014.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Isichei, Augustine O. Stocks of Nitrogen in Vegetation and Soil in West African Moist Savannas and Potential Effects of Climate Change and Land Use on These Stocks. 2014.
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