APA引文

Geography, D. O. (2019). Principie Of Geography Infromation System. Obafemi Awolowo University.

Chicago Style (17th ed.) Citation

Geography, Department Of. Principie Of Geography Infromation System. Obafemi Awolowo University, 2019.

MLA引文

Geography, Department Of. Principie Of Geography Infromation System. Obafemi Awolowo University, 2019.

警告：這些引文格式不一定是100％准確.