Rujukan Olmek

Mother Culture, or Only a Sister?, The New York Times, March 15, 2005.
Campbell, L., and T. Kaufman, 1976, "A Linguistic Look at the Olmecs", American Antiquity, 41.
HLA genes in Mexican Mazatecans, the peopling of the Americas and the uniqueness of Amerindians. - Bibliographic entry in PubMed.
Scientists Find Earliest "New World" Writings in Mexico
Coe, M.D. Mexico: From the Olmecs to the Aztecs. London: Thames and Hudson (2002): pp. 64, 75-76.
Grove, D. C., "Olmec monuments: Mutilation as a clue to meaning", in The Olmec and their Neighbors: Essays in Memory of Matthew W. Stirling. E. P. Benson, Washington, DC: Dumbarton Oaks Research Library, 1981, ed. pp. 49–68.
Stoltman, J. B., Marcus, J., Flannery, K. V., Burton, J. H., Moyle, R. G., "Petrographic evidence shows that pottery exchange between the Olmec and their neighbors was two-way", Proceedings of the National Academy of Sciences of the United States of America, August 9, 2005, v. 102, n. 32, pp. 11213-11218 .

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