Navarrete, C. (1974). The Olmec rock carvings at Pijijiapan, Chiapas, Mexico and other olmec pieces from Chiapas and Guatemala. New World Archaeological Foundation.
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Chicago Style (17th ed.) Zitazioa
Navarrete, Carlos. The Olmec Rock Carvings at Pijijiapan, Chiapas, Mexico and Other Olmec Pieces from Chiapas and Guatemala. Provo, Utah: New World Archaeological Foundation, 1974.
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MLA (9th ed.) Zitazioa
Navarrete, Carlos. The Olmec Rock Carvings at Pijijiapan, Chiapas, Mexico and Other Olmec Pieces from Chiapas and Guatemala. New World Archaeological Foundation, 1974.
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Kontuz: berrikusi erreferentzia hauek erabili aurretik.