Czaja, R. (1996). Designing surveys: A guide to decisions and procedures. Pine Forge.
Citación estilo ChicagoCzaja, Ronald. Designing Surveys: A Guide to Decisions and Procedures. London: Pine Forge, 1996.
Cita MLACzaja, Ronald. Designing Surveys: A Guide to Decisions and Procedures. Pine Forge, 1996.
Warning: These citations may not always be 100% accurate.