Lehtonen, R. (2004). Practical methods for design and analysis of complex surveys Risto Lehtonen, Ekki Pahkinnen. John Wiley.
Chicagoスタイル(17版)引用形式Lehtonen, Risto. Practical Methods for Design and Analysis of Complex Surveys Risto Lehtonen, Ekki Pahkinnen. John Wiley, 2004.
MLA(8版)引用形式Lehtonen, Risto. Practical Methods for Design and Analysis of Complex Surveys Risto Lehtonen, Ekki Pahkinnen. John Wiley, 2004.
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