Παραπομπή APA

Willey, G. R. (1953). Prehistoric settlement patterns in the Viru Valley, Peru. Washington: Government Printing Office.

Παραπομπή Chicago Style

Willey, Gordon R. Prehistoric Settlement Patterns in the Viru Valley, Peru. Washington: Government Printing Office, 1953.

Παραπομπή MLA

Willey, Gordon R. Prehistoric Settlement Patterns in the Viru Valley, Peru. Washington: Government Printing Office, 1953.

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