Barbara Harff. The Comparative Analysis of Mass Atrocities and Genocide. Chapter 12. p. 112-115. in N.P. Gleditsch (ed.), R.J. Rummel: An Assessment of His Many Contributions, SpringerBriefs on Pioneers in Science and Practice 37, DOI 10.1007/978-3-319-54463-2. [1]Diarsipkan 2020-05-20 di Wayback Machine.
Barbara Harff. The Comparative Analysis of Mass Atrocities and Genocide. Chapter 12. p. 112-115. in N.P. Gleditsch (ed.), R.J. Rummel: An Assessment of His Many Contributions, SpringerBriefs on Pioneers in Science and Practice 37, DOI 10.1007/978-3-319-54463-2. [1]Diarsipkan 2020-05-20 di Wayback Machine.