APA-čujuhus (7. p.)
Andrews, E. W., IV, & Stuart, G. E. (1968). The Ruins of Ikil, Yucatan, Mexico. National Geographic Society : Tulane University.
Chicago-čujuhus (17. p.)
Andrews, E. Wyllys, IV, juo George E. Stuart. The Ruins of Ikil, Yucatan, Mexico. Nueva Orleans, EUA: National Geographic Society : Tulane University, 1968.
MLA-čujuhus (9. p.)
Andrews, E. Wyllys, IV, juo George E. Stuart. The Ruins of Ikil, Yucatan, Mexico. National Geographic Society : Tulane University, 1968.
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