APA-referens (7:e uppl.)
Graham, J. A. (1972). Contributions of the University of California Archaeological Research Facility: Studies in the Archaeology of Mexico and Guatemala : Number 16, October 1972. University of California, Department of Anthropology.
Chicago-referens (17:e uppl.)
Graham, John A. Contributions of the University of California Archaeological Research Facility: Studies in the Archaeology of Mexico and Guatemala : Number 16, October 1972. Berkeley, EUA: University of California, Department of Anthropology, 1972.
MLA-referens (9:e uppl.)
Graham, John A. Contributions of the University of California Archaeological Research Facility: Studies in the Archaeology of Mexico and Guatemala : Number 16, October 1972. University of California, Department of Anthropology, 1972.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.