Παραπομπή APA

Oliver, E. I. (1957). Nigeria: Economic and commercial conditions in Nigeria. London: Her Majesty's Stationery Office.

Παραπομπή Chicago Style

Oliver, E. I. Nigeria: Economic and Commercial Conditions in Nigeria. London: Her Majesty's Stationery Office, 1957.

Παραπομπή MLA

Oliver, E. I. Nigeria: Economic and Commercial Conditions in Nigeria. London: Her Majesty's Stationery Office, 1957.

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