Plackett, R. L. (1960). Principles of regression analysis. Clarendon Press.
Lua i Stíl Chicago (17ú heag.)Plackett, R. L. Principles of Regression Analysis. Oxford: Clarendon Press, 1960.
Lua MLA (8ú heag.)Plackett, R. L. Principles of Regression Analysis. Clarendon Press, 1960.
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