APA (7e ed.) Bronvermelding

Não informado. (1984). Coal Preparation. Gordon and Breach Science Publishers.

Chicago (17e ed.) Bronvermelding

Não informado. Coal Preparation. New York: Gordon and Breach Science Publishers, 1984.

MLA (8e ed.) Bronvermelding

Não informado. Coal Preparation. Gordon and Breach Science Publishers, 1984.

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