Lawson, A. . B., & Denison, D. G. T. (2002). Spatial cluster modelling. Chapman & Hall/CRC.
Lua i Stíl Chicago (17ú heag.)Lawson, Andrew B., agus David G. T. Denison. Spatial Cluster Modelling. Boca Raton, Fla: Chapman & Hall/CRC, 2002.
Lua MLA (9ú heag.)Lawson, Andrew B., agus David G. T. Denison. Spatial Cluster Modelling. Chapman & Hall/CRC, 2002.
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