APA (7e ed.) Bronvermelding

Não informado. (1971). Soap, cosmetics, chemical specialties. Macnair - Dorland.

Chicago (17e ed.) Bronvermelding

Não informado. Soap, Cosmetics, Chemical Specialties. New York: Macnair - Dorland, 1971.

MLA (8e ed.) Bronvermelding

Não informado. Soap, Cosmetics, Chemical Specialties. Macnair - Dorland, 1971.

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