Παραπομπή σε μορφή APA (7η εκδ.)

Studies, D. o. S. E. a. C. (2019). Principles and Problems of Educational Evaluation. Obafemi Awolowo University.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Studies, Department of Special Education and Curriculum. Principles and Problems of Educational Evaluation. Obafemi Awolowo University, 2019.

Παραπομπή σε μορφή MLA (9th εκδ.)

Studies, Department of Special Education and Curriculum. Principles and Problems of Educational Evaluation. Obafemi Awolowo University, 2019.