APA (7e ed.) Bronvermelding

Não informado. (1964). Coal Mining and Processing. Maclean Hunter.

Chicago (17e ed.) Bronvermelding

Não informado. Coal Mining and Processing. Chicago, Ill: Maclean Hunter, 1964.

MLA (8e ed.) Bronvermelding

Não informado. Coal Mining and Processing. Maclean Hunter, 1964.

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