Osisanwo, I. A., & Afolahan, A. (2018). Register Range in the West African School Certificate English Language Examination (1974-1983). Obafemi Awolowo University.
Citazione stile Chigago Style (17a edizione)Osisanwo, Isaac Adewale, e Adebisi Afolahan. Register Range in the West African School Certificate English Language Examination (1974-1983). Obafemi Awolowo University, 2018.
Citatione MLA (9a ed.)Osisanwo, Isaac Adewale, e Adebisi Afolahan. Register Range in the West African School Certificate English Language Examination (1974-1983). Obafemi Awolowo University, 2018.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.