APA
WHO, . (2011). Global status report on nonccommunicable diseases. WHO, Switzerland: .
Chicago
WHO, . 2011. Global status report on nonccommunicable diseases. WHO, Switzerland: .
Harvard
WHO, . (2011). Global status report on nonccommunicable diseases. WHO, Switzerland: .
MLA
WHO, . Global status report on nonccommunicable diseases. WHO, Switzerland: . 2011.