Cramer, H. (1946). Mathematical Methods of Statistics (2nd.). Ptincepton University Press.
Chicago-čujuhus (17. p.)Cramer, Harald. Mathematical Methods of Statistics. 2nd. United States: Ptincepton University Press, 1946.
MLA-čujuhus (9. p.)Cramer, Harald. Mathematical Methods of Statistics. 2nd. Ptincepton University Press, 1946.
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