Nigeria. (1956). Statement of the policy proposed by the government of the Federation for the establishment of an Inland Waterways Department. Federal Govt. Printer.
Chicagoスタイル(17版)引用形式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.
MLA(8版)引用形式Nigeria. Statement of the Policy Proposed by the Government of the Federation for the Establishment of an Inland Waterways Department. Federal Govt. Printer, 1956.
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