APA Citatie

Sibbald, B. (2001). Travel warning issued after polio outbreak in Dominican Republic, Haiti.

Chicago Style citaat

Sibbald, Barbara. Travel Warning Issued After Polio Outbreak in Dominican Republic, Haiti. 2001.

MLA citatie

Sibbald, Barbara. Travel Warning Issued After Polio Outbreak in Dominican Republic, Haiti. 2001.

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