Grodinsky, J. (1957). Jay Gould: His business career, 1867-1892. University of Pennsylvania press.
Citace podle Chicago (17th ed.)Grodinsky, Julius. Jay Gould: His Business Career, 1867-1892. Philadephia: University of Pennsylvania press, 1957.
Citace podle MLA (8th ed.)Grodinsky, Julius. Jay Gould: His Business Career, 1867-1892. University of Pennsylvania press, 1957.
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