APA-viite (7. p.)

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-viite (17. p.)

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-viite (8. p.)

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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