APA (7 ম সংস্করণ) উদ্ধৃতি

Nigeria. (1956). Statement of the policy proposed by the government of the Federation for the establishment of an Inland Waterways Department. Federal Govt. Printer.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Nigeria. Statement of the Policy Proposed by the Government of the Federation for the Establishment of an Inland Waterways Department. Lagos: Federal Govt. Printer, 1956.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Nigeria. Statement of the Policy Proposed by the Government of the Federation for the Establishment of an Inland Waterways Department. Federal Govt. Printer, 1956.