APA ציטוט

Dunkelburg, W. C., & Sonquist, J. A. (1977). Survey and opinion research: Procedure for processing and analysis. Prentice - Hall Inc.

Chicago Edition Citation

Dunkelburg, William C., and John A. Sonquist. Survey and Opinion Research: Procedure for Processing and Analysis. New Jersey: Prentice - Hall Inc, 1977.

ציטוט MLA

Dunkelburg, William C., and John A. Sonquist. Survey and Opinion Research: Procedure for Processing and Analysis. Prentice - Hall Inc, 1977.