Iarossi, G. (2006). The power of survey design: A user's guide for managing surveys, interpreting results, and influencing respondents. The World Bank.
Chicago-viite (17. p.)Iarossi, Giuseppe. The Power of Survey Design: A User's Guide for Managing Surveys, Interpreting Results, and Influencing Respondents. Washington D.C: The World Bank, 2006.
MLA-viite (9. p.)Iarossi, Giuseppe. The Power of Survey Design: A User's Guide for Managing Surveys, Interpreting Results, and Influencing Respondents. The World Bank, 2006.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.