APA-referens (7:e uppl.)
Andrews, E. W., & Rovner, I. (1973). Archaeological evidence on social stratification and commerce in the Northern Maya lowlands: Two mason's tool Kits from Muna and Dzibilchaltun, Yucatan. National Geographic Society.
Chicago-referens (17:e uppl.)
Andrews, E. Wyllys, och Irwin Rovner. Archaeological Evidence on Social Stratification and Commerce in the Northern Maya Lowlands: Two Mason's Tool Kits from Muna and Dzibilchaltun, Yucatan. New Orleans: National Geographic Society, 1973.
MLA-referens (9:e uppl.)
Andrews, E. Wyllys, och Irwin Rovner. Archaeological Evidence on Social Stratification and Commerce in the Northern Maya Lowlands: Two Mason's Tool Kits from Muna and Dzibilchaltun, Yucatan. National Geographic Society, 1973.
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