Hansen, M. H. a. (1953). Sample survey methods and theory vol II theory. John wiley.
शिकागो स्टाइल उद्धरणHansen, Morris H...[et al.]. Sample Survey Methods and Theory Vol II Theory. New York: John wiley, 1953.
एमएलए उद्धरणHansen, Morris H...[et al.]. Sample Survey Methods and Theory Vol II Theory. John wiley, 1953.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.