Porter, T. M. (2004). Karl Pearson: The scientific life in a statistical age. Princeton University Press.
Chicago-čujuhus (17. p.)Porter, Theodore M. Karl Pearson: The Scientific Life in a Statistical Age. Princeton: Princeton University Press, 2004.
MLA-čujuhus (9. p.)Porter, Theodore M. Karl Pearson: The Scientific Life in a Statistical Age. Princeton University Press, 2004.
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