Freifeld, C. C., Mandl, K. D., Reis, B. Y., & Brownstein, J. S. (2008). HealthMap: Global Infectious Disease Monitoring through Automated Classification and Visualization of Internet Media Reports. American Medical Informatics Association.
Chicago-tyylinen lähdeviittausFreifeld, Clark C., Kenneth D. Mandl, Ben Y. Reis, ja John S. Brownstein. HealthMap: Global Infectious Disease Monitoring Through Automated Classification and Visualization of Internet Media Reports. American Medical Informatics Association, 2008.
MLA-viiteFreifeld, Clark C., Kenneth D. Mandl, Ben Y. Reis, ja John S. Brownstein. HealthMap: Global Infectious Disease Monitoring Through Automated Classification and Visualization of Internet Media Reports. American Medical Informatics Association, 2008.