Statistics, D. o. D. a. S. (2019). Population and Environment. Obafemi Awolowo University.
芝加哥风格引文Statistics, Department of Demography and Social. Population and Environment. Obafemi Awolowo University, 2019.
MLA引文Statistics, Department of Demography and Social. Population and Environment. Obafemi Awolowo University, 2019.
警告：这些引文格式不一定是100％准确.