Everitt, B., & Landau, S. (2001). Cluster analysis (4th ed.). Arnold.
Cita Chicago (17th ed.)Everitt, Brian, i Sabine Landau. Cluster Analysis. 4th ed. London: Arnold, 2001.
Cita MLA (9th ed.)Everitt, Brian, i Sabine Landau. Cluster Analysis. 4th ed. Arnold, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.