Citação norma APA

Osisanwo, I. A., & Afolahan, A. (2018). Register Range in the West African School Certificate English Language Examination (1974-1983). Obafemi Awolowo University.

Citação norma Chicago

Osisanwo, Isaac Adewale, and Adebisi Afolahan. Register Range in the West African School Certificate English Language Examination (1974-1983). Obafemi Awolowo University, 2018.

Citação norma MLA

Osisanwo, Isaac Adewale, and Adebisi Afolahan. Register Range in the West African School Certificate English Language Examination (1974-1983). Obafemi Awolowo University, 2018.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.