APA-viite (7. p.)
Adams, R. E. W. (1974). Preliminary reports on archaeological investigations in the Rio Bec area, Campeche, Mexico. National Geographic Society, Tulane University.
Chicago-viite (17. p.)
Adams, Richard E. W. Preliminary Reports on Archaeological Investigations in the Rio Bec Area, Campeche, Mexico. New Orleans: National Geographic Society, Tulane University, 1974.
MLA-viite (9. p.)
Adams, Richard E. W. Preliminary Reports on Archaeological Investigations in the Rio Bec Area, Campeche, Mexico. National Geographic Society, Tulane University, 1974.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.