APA (7th ed.) Zitazioa
Sanders, W. T., & Michels, J. W. (1969). Kaminaljuyu project - 1968 season: Part I : the excavations. The Pennsylvania State University.
Chicago Style (17th ed.) Zitazioa
Sanders, William T., eta Joseph W. Michels. Kaminaljuyu Project - 1968 Season: Part I : The Excavations. University Park, Pennsylvania: The Pennsylvania State University, 1969.
MLA (9th ed.) Zitazioa
Sanders, William T., eta Joseph W. Michels. Kaminaljuyu Project - 1968 Season: Part I : The Excavations. The Pennsylvania State University, 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.