Robson, C. (2011). Real world research: A resource for users of social research methods in applied settings (3rd edition.). Wiley-Blackwell.
Lua i Stíl Chicago (17ú heag.)Robson, Colin. Real World Research: A Resource for Users of Social Research Methods in Applied Settings. 3rd edition. Chichester, West Sussex ; Hoboken, N.J.: Wiley-Blackwell, 2011.
Lua MLA (8ú heag.)Robson, Colin. Real World Research: A Resource for Users of Social Research Methods in Applied Settings. 3rd edition. Wiley-Blackwell, 2011.
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