Παραπομπή σε μορφή APA (7η εκδ.)

Alla, J. B., & Abioye, J. A. (2014). Academic Performance of Athletes and Non-Athletes in Selected Nigerian Universities. Obafemi Awolowo University.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Alla, Joseph Babalola, και J. A. Abioye. Academic Performance of Athletes and Non-Athletes in Selected Nigerian Universities. Obafemi Awolowo University, 2014.

Παραπομπή σε μορφή MLA (9th εκδ.)

Alla, Joseph Babalola, και J. A. Abioye. Academic Performance of Athletes and Non-Athletes in Selected Nigerian Universities. Obafemi Awolowo University, 2014.