Woolfson, C. (1982). The labour theory of culture: A re-examination of Engel's theory of human origins. Routledge and Kegan Paul.
Citace podle Chicago (17th ed.)Woolfson, Charles. The Labour Theory of Culture: A Re-examination of Engel's Theory of Human Origins. London: Routledge and Kegan Paul, 1982.
Citace podle MLA (9th ed.)Woolfson, Charles. The Labour Theory of Culture: A Re-examination of Engel's Theory of Human Origins. Routledge and Kegan Paul, 1982.
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