Kirchner, A. (2014). Techniques for asking sensitive questions in labour market surveys. WBV, W. Bertelsmann Verlag.
Lua i Stíl Chicago (17ú heag.)Kirchner, Antje. Techniques for Asking Sensitive Questions in Labour Market Surveys. Bielefeld: WBV, W. Bertelsmann Verlag, 2014.
Lua MLA (8ú heag.)Kirchner, Antje. Techniques for Asking Sensitive Questions in Labour Market Surveys. WBV, W. Bertelsmann Verlag, 2014.
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