Lua APA (7ú heag.)

Blasius, J., & Thiessen, V. (2012). Assessing the quality of survey data. Sage Publications.

Lua i Stíl Chicago (17ú heag.)

Blasius, Jorg, agus Victor Thiessen. Assessing the Quality of Survey Data. London: Sage Publications, 2012.

Lua MLA (9ú heag.)

Blasius, Jorg, agus Victor Thiessen. Assessing the Quality of Survey Data. Sage Publications, 2012.

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