APA (7e ed.) Bronvermelding

Não informado. (2001). Scientific Publication. Pan American Sanitary Bureau.

Chicago (17e ed.) Bronvermelding

Não informado. Scientific Publication. Washington: Pan American Sanitary Bureau, 2001.

MLA (8e ed.) Bronvermelding

Não informado. Scientific Publication. Pan American Sanitary Bureau, 2001.

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