Lehtonen, R., & Pahkinen, E. (2004). Practical methods for design and analysis of complex surveys (2nd ed.). Chichester, West Sussex, England ; Hoboken, NJ: J. Wiley.
Trích dẫn kiểu ChicagoLehtonen, Risto., and Erkki Pahkinen. Practical Methods for Design and Analysis of Complex Surveys. 2nd ed. Chichester, West Sussex, England ; Hoboken, NJ: J. Wiley, 2004.
Trích dẫn MLALehtonen, Risto., and Erkki Pahkinen. Practical Methods for Design and Analysis of Complex Surveys. 2nd ed. Chichester, West Sussex, England ; Hoboken, NJ: J. Wiley, 2004.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.
