Fink, A., & Kosecoff, J. (1998). How to conduct surveys: A step by step guide (2nd ed.). Sage.
Citazione stile Chigago Style (17a edizione)Fink, Arlene, e Jacqueline Kosecoff. How to Conduct Surveys: A Step by Step Guide. 2nd ed. Thousand Oaks, Calif: Sage, 1998.
Citatione MLA (9a ed.)Fink, Arlene, e Jacqueline Kosecoff. How to Conduct Surveys: A Step by Step Guide. 2nd ed. Sage, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.