Ubelaker, D. H. The Ayalan cemetery: A late integration period burial site on the south coast of Ecuador.
Chicago-viite (17. p.)Ubelaker, Douglas H. The Ayalan Cemetery: A Late Integration Period Burial Site on the South Coast of Ecuador.
MLA-viite (8. p.)Ubelaker, Douglas H. The Ayalan Cemetery: A Late Integration Period Burial Site on the South Coast of Ecuador.
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