Stopher, P. R. (2012). Collecting, managing, and assessing data using sample surveys. Cambridge University Press.
Chicago-referens (17:e uppl.)Stopher, Peter R. Collecting, Managing, and Assessing Data Using Sample Surveys. Cambridge, [England]: Cambridge University Press, 2012.
MLA-referens (9:e uppl.)Stopher, Peter R. Collecting, Managing, and Assessing Data Using Sample Surveys. Cambridge University Press, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.