APA (7e ed.) Bronvermelding

(2002). Vacines and Biologicals Who vaccine preventable diasease monitoring system 2002 global summary.

Chicago (17e ed.) Bronvermelding

Vacines and Biologicals Who Vaccine Preventable Diasease Monitoring System 2002 Global Summary. 2002.

MLA (9e ed.) Bronvermelding

Vacines and Biologicals Who Vaccine Preventable Diasease Monitoring System 2002 Global Summary. 2002.

Let op: Deze citaties zijn niet altijd 100% accuraat.