DeBoer, W. R. (1996). Traces behind the Esmeraldas shore: Prehistory of the Santiago-Cayapas Region, Ecuador. University of Alabama Press.
Chicago-čujuhus (17. p.)DeBoer, Warren R. Traces Behind the Esmeraldas Shore: Prehistory of the Santiago-Cayapas Region, Ecuador. Tuscaloosa, Ala.: University of Alabama Press, 1996.
MLA-čujuhus (9. p.)DeBoer, Warren R. Traces Behind the Esmeraldas Shore: Prehistory of the Santiago-Cayapas Region, Ecuador. University of Alabama Press, 1996.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.