APA-viite (7. p.)
Haviland, W. A. (1968). Ancient lowland Maya social organization. Middle American Research Institute, Tulane University.
Chicago-viite (17. p.)
Haviland, William A. Ancient Lowland Maya Social Organization. New Orleans: Middle American Research Institute, Tulane University, 1968.
MLA-viite (9. p.)
Haviland, William A. Ancient Lowland Maya Social Organization. Middle American Research Institute, Tulane University, 1968.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.