Isichei, A. O. (2014). Whatever Goes Up Must Come Down? The Environmental Consequences of Nutrient Cycling in Vegetation. Obafemi Awolowo University Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Isichei, Augustine O. Whatever Goes Up Must Come Down? The Environmental Consequences of Nutrient Cycling in Vegetation. Obafemi Awolowo University Press, 2014.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Isichei, Augustine O. Whatever Goes Up Must Come Down? The Environmental Consequences of Nutrient Cycling in Vegetation. Obafemi Awolowo University Press, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.