Παραπομπή APA

(1971). Development of the ports of Nigeria 1970-1990: A study of port development and related subjects. Hague: Nedeco.

Παραπομπή Chicago Style

Development of the Ports of Nigeria 1970-1990: A Study of Port Development and Related Subjects. Hague: Nedeco, 1971.

Παραπομπή MLA

Development of the Ports of Nigeria 1970-1990: A Study of Port Development and Related Subjects. Hague: Nedeco, 1971.

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