APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

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