Não informado. (1981). Arkansas Archeological Survey Research Series. Arkansas Archeological Survey.
Chicago-referens (17:e uppl.)Não informado. Arkansas Archeological Survey Research Series. Fayetteville, Ark: Arkansas Archeological Survey, 1981.
MLA-referens (8:e uppl.)Não informado. Arkansas Archeological Survey Research Series. Arkansas Archeological Survey, 1981.
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