Παραπομπή APA

(1964). Hydroelectric power resources of the United States: Developed and undeveloped. Washington: Government Printing Office.

Παραπομπή Chicago Style

Hydroelectric Power Resources of the United States: Developed and Undeveloped. Washington: Government Printing Office, 1964.

Παραπομπή MLA

Hydroelectric Power Resources of the United States: Developed and Undeveloped. Washington: Government Printing Office, 1964.

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