Cramér, H. (1970). Random variables and probability distributions (3a. ed.). Cambridge University Press.
Chicago Style (17. basım) AtıfCramér, Harald. Random Variables and Probability Distributions. 3a. ed. Nueva York: Cambridge University Press, 1970.
MLA (9th ed.) AtıfCramér, Harald. Random Variables and Probability Distributions. 3a. ed. Cambridge University Press, 1970.
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