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Restall, Matthew (1997). The Maya World. Yucatecan Culture and Society, 1550–1850. Stanford: Stanford University Press. ISBN 978-0-8047-3658-9.
Riis-Hansen, Anders (1992). "Interview with Rigoberta Menchu Tum". Commission for the Defense of Human Rights in Central America (CODEHUCA). Iliwekwa mnamo 2006-07-03.
Voss, Alexander (2006). "Astronomy and Mathematics". Katika Nikolai Grube (ed.) (mhr.). Maya: Divine Kings of the Rain Forest. Eva Eggebrecht and Matthias Seidel (assistant eds.). Cologne: Könemann. ku.130–143. ISBN3-8331-1957-8. OCLC71165439. {{cite book}}: |editor= has generic name (help)
Wagner, Elizabeth (2006). "Maya Creation Myths and Cosmography". Katika Nikolai Grube (ed.) (mhr.). Maya: Divine Kings of the Rain Forest. Eva Eggebrecht and Matthias Seidel (Assistant eds.). Cologne: Könemann. ku.280–293. ISBN3-8331-1957-8. OCLC71165439. {{cite book}}: |editor= has generic name (help)