APA (7e ed.) Bronvermelding

Não informado. (1938). Soap and sanitary chemicals. Macnair - Dorland.

Chicago (17e ed.) Bronvermelding

Não informado. Soap and Sanitary Chemicals. New York: Macnair - Dorland, 1938.

MLA (8e ed.) Bronvermelding

Não informado. Soap and Sanitary Chemicals. Macnair - Dorland, 1938.

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