AKPAN, S. B. (2019). OIL PALM FRUIT SUPPLY FUNCTION IN NIGERIA. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria.
芝加哥风格引文AKPAN, S. B. OIL PALM FRUIT SUPPLY FUNCTION IN NIGERIA. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria, 2019.
MLA引文AKPAN, S. B. OIL PALM FRUIT SUPPLY FUNCTION IN NIGERIA. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria, 2019.
警告：这些引文格式不一定是100％准确.