Cita APA (7th ed.)

Lehtonen, R., & Pahkinen, E. J. (1994). Practical methods for design and analysis of complex surveys. John Wiley.

Cita Chicago (17th ed.)

Lehtonen, Risto, i Erkki J. Pahkinen. Practical Methods for Design and Analysis of Complex Surveys. Chichester: John Wiley, 1994.

Cita MLA (9th ed.)

Lehtonen, Risto, i Erkki J. Pahkinen. Practical Methods for Design and Analysis of Complex Surveys. John Wiley, 1994.