APA (7e ed.) Bronvermelding

Não informado. (1921). Sanitation supplements of the tropical diseases bulletin. Bureau of Hygiene and Tropical Diseases.

Chicago (17e ed.) Bronvermelding

Não informado. Sanitation Supplements of the Tropical Diseases Bulletin. London: Bureau of Hygiene and Tropical Diseases, 1921.

MLA (8e ed.) Bronvermelding

Não informado. Sanitation Supplements of the Tropical Diseases Bulletin. Bureau of Hygiene and Tropical Diseases, 1921.

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