APA-referens (7:e uppl.)
Ubelaker, D. H. (1981). The Ayalán cemetery: A late integration period burial site on the south coast of Ecuador. Smithsonian Institution Press.
Chicago-referens (17:e uppl.)
Ubelaker, Douglas H. The Ayalán Cemetery: A Late Integration Period Burial Site on the South Coast of Ecuador. City of Washington: Smithsonian Institution Press, 1981.
MLA-referens (9:e uppl.)
Ubelaker, Douglas H. The Ayalán Cemetery: A Late Integration Period Burial Site on the South Coast of Ecuador. Smithsonian Institution Press, 1981.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.