Lua APA (7ú heag.)

Krista D. Bridgmon, W. E. M. Quantitative and Statistical Research Methods: From Hypothesis to Results (2012).

Lua i Stíl Chicago (17ú heag.)

Krista D. Bridgmon, William Eugene Martin. Quantitative and Statistical Research Methods: From Hypothesis to Results (2012).

Lua MLA (8ú heag.)

Krista D. Bridgmon, William Eugene Martin. Quantitative and Statistical Research Methods: From Hypothesis to Results (2012).

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