Παραπομπή σε μορφή APA (7η εκδ.)

Ohiorhenuan, J. F. (1989). Resource allocation issues in the Nigerian health care delivery system. Philippine Institute for Development Studies.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ohiorhenuan, John F.E. Resource Allocation Issues in the Nigerian Health Care Delivery System. Makati, Metro Manila: Philippine Institute for Development Studies, 1989.

Παραπομπή σε μορφή MLA (9th εκδ.)

Ohiorhenuan, John F.E. Resource Allocation Issues in the Nigerian Health Care Delivery System. Philippine Institute for Development Studies, 1989.