- Kapitel 4.6 „Stichproben/Auswahlverfahren“ in Raithel (2008)
- Crone & Finlay (2012)– An empirical study of sample size and balancing
- Heckathorn (2011)– Snowball versus respondent-driven sampling
- Wolf et al. (2013)– Sample size requirements
- Kapitel 3 „Sampling“ in Fowler (2014)
- Kapitel 1 „Preparing to Make Sampling Choices“ in Daniel (2012)
- Kapitel 5 „Choosing the Type of Probability Sampling“ in Daniel (2012)
- Cohen (1992)– A Power Primer
Ressourcen für empirische Methoden