Παραπομπή APA

Halcrow, W. (1956). The Volta river project. London: Her Majesty's Stationery Office.

Παραπομπή Chicago Style

Halcrow, William. The Volta River Project. London: Her Majesty's Stationery Office, 1956.

Παραπομπή MLA

Halcrow, William. The Volta River Project. London: Her Majesty's Stationery Office, 1956.

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