Yule, G. U., Kendall, M. G., & Stuart, A. (1971). Statistical papers of George Udny Yule (born 1871-died 1951). Griffin.
Citazione stile Chigago Style (17a edizione)Yule, George Udny, Maurice George Kendall, e Alan Stuart. Statistical Papers of George Udny Yule (born 1871-died 1951). London: Griffin, 1971.
Citatione MLA (9a ed.)Yule, George Udny, et al. Statistical Papers of George Udny Yule (born 1871-died 1951). Griffin, 1971.
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