Redfield, R. (1957). The primitive world and its transformations. Great Seal Books.
Lua i Stíl Chicago (17ú heag.)Redfield, Robert. The Primitive World and Its Transformations. Ithaca, New York: Great Seal Books, 1957.
Lua MLA (9ú heag.)Redfield, Robert. The Primitive World and Its Transformations. Great Seal Books, 1957.
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