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MLA

Vogel, Fred A, et al. "How Questionnaire Design May Affect Survey Data : Wyoming Study." ,

APA

Vogel, F. A, United States, U. States, Department of Agriculture, D. of Agriculture, Statistical Reporting Service, S. Reporting Service, Research Division, R. Division, & Sample Survey Research Branch, S. Survey Research Branch. (1974). How questionnaire design may affect survey data : Wyoming study.

Chicago

Vogel, Fred A., United States, Department of Agriculture, Statistical Reporting Service, Research Division, and Sample Survey Research Branch. "How questionnaire design may affect survey data : Wyoming study" (1974):