APA (7e ed.) Bronvermelding

Kaufman, L., & Rousseeuw, P. J. (1990). Finding groups in data: An introduction to cluster analysis. Wiley.

Chicago (17e ed.) Bronvermelding

Kaufman, Leonard, en Peter J. Rousseeuw. Finding Groups in Data: An Introduction to Cluster Analysis. New York: Wiley, 1990.

MLA (9e ed.) Bronvermelding

Kaufman, Leonard, en Peter J. Rousseeuw. Finding Groups in Data: An Introduction to Cluster Analysis. Wiley, 1990.