APA (7th ed.) Zitazioa
Vogt, W. P. (2013). Sage quantitative research methods: Fundamental issues in qualitative research. Sage.
Chicago Style (17th ed.) Zitazioa
Vogt, W. Paul. Sage Quantitative Research Methods: Fundamental Issues in Qualitative Research. Los Angeles: Sage, 2013.
MLA (9th ed.) Zitazioa
Vogt, W. Paul. Sage Quantitative Research Methods: Fundamental Issues in Qualitative Research. Sage, 2013.
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