Bibliographic EntryWorld Health Organization. (2009). "Epidemiology" (PDF). Global tuberculosis control: epidemiology, strategy, financing. hlm. 6–33. ISBN 978-92-4156380-2. Diakses tanggal 12 November 2009.
World Health Organization. (2009). "Epidemiology" (PDF). Global tuberculosis control: epidemiology, strategy, financing. hlm. 6–33. ISBN 978-92-4156380-2. Diakses tanggal 12 November 2009.