Watson, G. (1980). Statistical inquiry: Elementary statistics for the political, social and policy sciences. John Wiley and Sons.
Citace podle Chicago (17th ed.)Watson, George. Statistical Inquiry: Elementary Statistics for the Political, Social and Policy Sciences. New York: John Wiley and Sons, 1980.
Citace podle MLA (9th ed.)Watson, George. Statistical Inquiry: Elementary Statistics for the Political, Social and Policy Sciences. John Wiley and Sons, 1980.
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