Cita APA (7a ed.)
Willey, G. R. (1953). Prehistoric settlement patterns in the Virú Valley, Perú. Government Printing Office.
Cita Chicago Style (17a ed.)
Willey, Gordon R. Prehistoric Settlement Patterns in the Virú Valley, Perú. Washington: Government Printing Office, 1953.
Cita MLA (9a ed.)
Willey, Gordon R. Prehistoric Settlement Patterns in the Virú Valley, Perú. Government Printing Office, 1953.
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