Nigeria. Federal Ministry of Health. Annual report of the Federal Ministry of Health. Federal Ministry of Information, Printing Division.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNigeria. Federal Ministry of Health. Annual Report of the Federal Ministry of Health. Lagos: Federal Ministry of Information, Printing Division.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNigeria. Federal Ministry of Health. Annual Report of the Federal Ministry of Health. Federal Ministry of Information, Printing Division.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.