Ero, I. I., & Sanford, W. W. (2014). Guinea Savanna Structure and Land-use in Northwestern Nigeria. Obafemi Awolowo University.
Citazione stile Chigago Style (17a edizione)Ero, Isaac Izogie, e W. W. Sanford. Guinea Savanna Structure and Land-use in Northwestern Nigeria. Obafemi Awolowo University, 2014.
Citatione MLA (9a ed.)Ero, Isaac Izogie, e W. W. Sanford. Guinea Savanna Structure and Land-use in Northwestern Nigeria. Obafemi Awolowo University, 2014.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.