Lua APA (7ú heag.)

Ritchey, F. J. (2008). The statistical imagination: Elementary statistics for the social sciences (2nd ed.). McGraw Hill.

Lua i Stíl Chicago (17ú heag.)

Ritchey, Ferris Joseph. The Statistical Imagination: Elementary Statistics for the Social Sciences. 2nd ed. Boston: McGraw Hill, 2008.

Lua MLA (9ú heag.)

Ritchey, Ferris Joseph. The Statistical Imagination: Elementary Statistics for the Social Sciences. 2nd ed. McGraw Hill, 2008.

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