APA-čujuhus (7. p.)
Quilter, J. (2004). Cobble circles and standing stones: Archaeology at the Rivas Site, Costa Rica. University of Iowa Press.
Chicago-čujuhus (17. p.)
Quilter, Jeffrey. Cobble Circles and Standing Stones: Archaeology at the Rivas Site, Costa Rica. Iowa City: University of Iowa Press, 2004.
MLA-čujuhus (9. p.)
Quilter, Jeffrey. Cobble Circles and Standing Stones: Archaeology at the Rivas Site, Costa Rica. University of Iowa Press, 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.