Saris, . W. E., & Gallhofer, I. N. (2007). Design, Evaluation, and analysis of questionnaires for survey research. Wiley & Sons.
Stile di citazione ChicagoSaris, Willem E., e Irmtraud N. Gallhofer. Design, Evaluation, and Analysis of Questionnaires for Survey Research. Wiley & Sons, 2007.
Citazione MLASaris, Willem E., e Irmtraud N. Gallhofer. Design, Evaluation, and Analysis of Questionnaires for Survey Research. Wiley & Sons, 2007.
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