Fink, A., & Kossoff, J. (1998). How to conduct surveys: A step-by-step guide. Buge.
Chicago Style (17th ed.) ZitazioaFink, Arlene, eta Jacqueline Kossoff. How to Conduct Surveys: A Step-by-step Guide. London: Buge, 1998.
MLA (9th ed.) ZitazioaFink, Arlene, eta Jacqueline Kossoff. How to Conduct Surveys: A Step-by-step Guide. Buge, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.