Nwachukwu, J. (2018). Organic Matter: The Source of Our Wealth. Obafemi Awolowo University Press Limited.
芝加哥风格引文Nwachukwu, J.I. Organic Matter: The Source of Our Wealth. Obafemi Awolowo University Press Limited, 2018.
MLA引文Nwachukwu, J.I. Organic Matter: The Source of Our Wealth. Obafemi Awolowo University Press Limited, 2018.
警告：这些引文格式不一定是100％准确.