liburu kapituluak - lanean
- Reips, U.-D. (invited). Online-Experimente [Online experiments]. In B. Batinic, N. Jackob, J. Schmidt, M. Taddicken (eds.), Handbuch der Online-Forschung. Köln: Herbert von Halem.
- Reips, U.-D. (invited). Experimentation within surveys. In R. K. Thomas, Survey Research Methods. Oxford University Press.
