Richards, T. B., Berkowitz, Z., Thomas, C. C., Foster, S. L., Gardner, A., King, J. B., . . . Royalty, J. (2009). Choropleth Map Design for Cancer Incidence, Part 1. Centers for Disease Control and Prevention.
Παραπομπή Chicago StyleRichards, Thomas B., Zahava Berkowitz, Cheryll C. Thomas, Stephanie Lee Foster, Annette Gardner, Jessica Blythe King, Karen Ledford, και Janet Royalty. Choropleth Map Design for Cancer Incidence, Part 1. Centers for Disease Control and Prevention, 2009.
Παραπομπή MLARichards, Thomas B., et al. Choropleth Map Design for Cancer Incidence, Part 1. Centers for Disease Control and Prevention, 2009.
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