APA引文

Geography, D. O. (2019). Regional Geography Of North America. Obafemi Awolowo University.

Chicago Style (17th ed.) Citation

Geography, Department Of. Regional Geography Of North America. Obafemi Awolowo University, 2019.

MLA引文

Geography, Department Of. Regional Geography Of North America. Obafemi Awolowo University, 2019.

警告：這些引文格式不一定是100％准確.