Nigeria. Federal Ministry of Health. Annual report of the Federal Ministry of Health. Federal Ministry of Information, Printing Division.
Παραπομπή σε μορφή Chicago (17η εκδ.)Nigeria. Federal Ministry of Health. Annual Report of the Federal Ministry of Health. Lagos: Federal Ministry of Information, Printing Division.
Παραπομπή σε μορφή MLA (8th εκδ.)Nigeria. Federal Ministry of Health. Annual Report of the Federal Ministry of Health. Federal Ministry of Information, Printing Division.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.