Cita APA (7th ed.)
Callegaro, M. (2014). Online panel research: A data quality perspective. John Wiley & Sons.
Cita Chicago (17th ed.)
Callegaro, Mario. Online Panel Research: A Data Quality Perspective. West Sussex, England: John Wiley & Sons, 2014.
Cita MLA (9th ed.)
Callegaro, Mario. Online Panel Research: A Data Quality Perspective. John Wiley & Sons, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.