Lemelson Center, ebrary, Inc, & Pursell, C. W. (2005). A hammer in their hands: A documentary history of technology and the African-American experience. MIT Press.
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Chicago-čujuhus (17. p.)
Lemelson Center, Inc ebrary, juo Carroll W. Pursell. A Hammer in Their Hands: A Documentary History of Technology and the African-American Experience. Cambridge, Mass.: MIT Press, 2005.
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MLA-čujuhus (9. p.)
Lemelson Center, et al. A Hammer in Their Hands: A Documentary History of Technology and the African-American Experience. MIT Press, 2005.
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