Cita APA (7a ed.)

Saris, W. E., & Gallhofer, I. N. (2014). Design, evaluation and analysis of questionnaires for survey research (2nd ed.). Wiley-Blackwell.

Cita Chicago Style (17a ed.)

Saris, Willem E., y Irmtraud N. Gallhofer. Design, Evaluation and Analysis of Questionnaires for Survey Research. 2nd ed. Oxford: Wiley-Blackwell, 2014.

Cita MLA (9a ed.)

Saris, Willem E., y Irmtraud N. Gallhofer. Design, Evaluation and Analysis of Questionnaires for Survey Research. 2nd ed. Wiley-Blackwell, 2014.