APA ציטוט

Spiegel, M. R. (2000). Questionnaire design and administration. Brisbane: John Wiley and Sons.

Trích dẫn kiểu Chicago

Spiegel, Murray R. Questionnaire Design and Administration. Brisbane: John Wiley and Sons, 2000.

ציטוט MLA

Spiegel, Murray R. Questionnaire Design and Administration. Brisbane: John Wiley and Sons, 2000.