Czaja, R., & Blair, J. (1996). Designing surveys: A guide to decisions and procedures. Pine Forge Press.
Cita Chicago Style (17a ed.)Czaja, Ron, y Johnny Blair. Designing Surveys: A Guide to Decisions and Procedures. Thousand Oaks, Calif: Pine Forge Press, 1996.
Cita MLA (9a ed.)Czaja, Ron, y Johnny Blair. Designing Surveys: A Guide to Decisions and Procedures. Pine Forge Press, 1996.
Precaución: Estas citas no son 100% exactas.