Παραπομπή σε μορφή APA (7η εκδ.)

Statistics, D. o. D. a. S. (2019). Population and Development. Obafemi Awolowo University.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Statistics, Department of Demography and Social. Population and Development. Obafemi Awolowo University, 2019.

Παραπομπή σε μορφή MLA (9th εκδ.)

Statistics, Department of Demography and Social. Population and Development. Obafemi Awolowo University, 2019.