Παραπομπή σε μορφή APA (7η εκδ.)

Eastern Region (Nigeria). Ministry of Education. (1952). Education graphs and statistics. Printed by the Government Printer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Eastern Region (Nigeria). Ministry of Education. Education Graphs and Statistics. Enugu: Printed by the Government Printer, 1952.

Παραπομπή σε μορφή MLA (8th εκδ.)

Eastern Region (Nigeria). Ministry of Education. Education Graphs and Statistics. Printed by the Government Printer, 1952.