Willey, G. R. (1953). Prehistoric settlement patterns in the Virú Valley, Perú. Government Printing Office.
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Chicago-čujuhus (17. p.)
Willey, Gordon R. Prehistoric Settlement Patterns in the Virú Valley, Perú. Washington: Government Printing Office, 1953.
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MLA-čujuhus (9. p.)
Willey, Gordon R. Prehistoric Settlement Patterns in the Virú Valley, Perú. Government Printing Office, 1953.
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