Ubelaker, D. H. (1981). The Ayalan cemetery: A late integration period burial site on the south coast of Ecuador. Smithsonian Institution Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUbelaker, Douglas H. The Ayalan Cemetery: A Late Integration Period Burial Site on the South Coast of Ecuador. Washington: Smithsonian Institution Press, 1981.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUbelaker, Douglas H. The Ayalan Cemetery: A Late Integration Period Burial Site on the South Coast of Ecuador. Smithsonian Institution Press, 1981.
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