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FIENBERG, Stephen E.; STIGLER, Stephen M.; TANUR, Judith M. The William Kruskal Legacy: 1919–2005. Statistical Science. 2007-05, roč. 22, čís. 2, s. 255–261. Dostupné online [cit. 2020-01-26]. ISSN0883-4237. DOI10.1214/088342306000000420.
KRUSKAL, William H.; WALLIS, W. Allen. Use of Ranks in One-Criterion Variance Analysis. Journal of the American Statistical Association. 1952-12, roč. 47, čís. 260, s. 583–621. Dostupné online [cit. 2020-01-26]. ISSN0162-1459. DOI10.1080/01621459.1952.10483441.