APA ציטוט

(2005). Designing surveys a guide to decisions and procedures / Ronald Czaja, Johnny Blair. [electronic resource].

Chicago Style (17th ed.) Citation

Designing Surveys a Guide to Decisions and Procedures / Ronald Czaja, Johnny Blair. [electronic Resource]. 2005.

ציטוט MLA

Designing Surveys a Guide to Decisions and Procedures / Ronald Czaja, Johnny Blair. [electronic Resource]. 2005.