Salant, P., Dillman, D. A., Dillman, D. A., & Dillman, D. A. (1994). How to conduct your own survey. New York: Wiley.
Παραπομπή Chicago StyleSalant, Priscilla, Don A. Dillman, Don A. Dillman, and Don A. Dillman. How to Conduct Your Own Survey. New York: Wiley, 1994.
Παραπομπή MLASalant, Priscilla, Don A. Dillman, Don A. Dillman, and Don A. Dillman. How to Conduct Your Own Survey. New York: Wiley, 1994.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.