APA (7th ed.) Zitazioa
Callegaro, M. (2014). Online panel research: A data quality perspective. John Wiley & Sons.
Chicago Style (17th ed.) Zitazioa
Callegaro, Mario. Online Panel Research: A Data Quality Perspective. West Sussex, England: John Wiley & Sons, 2014.
MLA (9th ed.) Zitazioa
Callegaro, Mario. Online Panel Research: A Data Quality Perspective. John Wiley & Sons, 2014.
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