Lua APA (7ú heag.)
Vogt, W. P. (2013). Sage quantitative research methods: Measurement for casual and statistical inference. Sage.
Lua i Stíl Chicago (17ú heag.)
Vogt, W. Paul. Sage Quantitative Research Methods: Measurement for Casual and Statistical Inference. Los Angeles: Sage, 2013.
Lua MLA (9ú heag.)
Vogt, W. Paul. Sage Quantitative Research Methods: Measurement for Casual and Statistical Inference. Sage, 2013.
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