(1981). A Century of Progress: The General Electric Story 1876 - 1978. New York: Hall of History Foundation.
Trích dẫn kiểu ChicagoA Century of Progress: The General Electric Story 1876 - 1978. New York: Hall of History Foundation, 1981.
MLA citiranjeA Century of Progress: The General Electric Story 1876 - 1978. New York: Hall of History Foundation, 1981.
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