Lua APA (7ú heag.)
Willey, G. R. (1953). Prehistoric settlement patterns in the Virú Valley, Perú. Government Printing Office.
Lua i Stíl Chicago (17ú heag.)
Willey, Gordon R. Prehistoric Settlement Patterns in the Virú Valley, Perú. Washington: Government Printing Office, 1953.
Lua MLA (9ú heag.)
Willey, Gordon R. Prehistoric Settlement Patterns in the Virú Valley, Perú. Government Printing Office, 1953.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.