Fink, A. (1995). How to design surveys. Sage.
Chicago Style (17th ed.) ZitazioaFink, Arlene. How to Design Surveys. London: Sage, 1995.
MLA (9th ed.) ZitazioaFink, Arlene. How to Design Surveys. Sage, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.