Donner A and Klar N (2000) Design and Analysis of Cluster Randomization Trials
in Health Research. Arnold London ISBN 0 340 69153 0

- Calculation for Intraclass Correlation Coefficient ρ and sample size for normally distributed measurements. p. 52-78
- Calculation for Intraclass Correlation Coefficient ρ and sample size for binomially distributed proportions. p. 62-63
- Analysis of data : cluster level analysis. p. 87-89
- Calculation for Intraclass Correlation Coefficient ρ and data analysis for normally distributed measurements. p. 111-116
- Calculation for Intraclass Correlation Coefficient ρ and data analysis for binomially distributed proportions. p. 85 - 87