APA引文

Ero, I. I., & Sanford, W. W. (2014). Guinea Savanna Structure and Land-use in Northwestern Nigeria. Obafemi Awolowo University.

Chicago Style (17th ed.) Citation

Ero, Isaac Izogie, and W. W. Sanford. Guinea Savanna Structure and Land-use in Northwestern Nigeria. Obafemi Awolowo University, 2014.

MLA引文

Ero, Isaac Izogie, and W. W. Sanford. Guinea Savanna Structure and Land-use in Northwestern Nigeria. Obafemi Awolowo University, 2014.

警告：這些引文格式不一定是100％准確.