APA (7e ed.) Bronvermelding

Não informado. (1989). Minerals Industry International. Institution of Mining and Metallurgy.

Chicago (17e ed.) Bronvermelding

Não informado. Minerals Industry International. London: Institution of Mining and Metallurgy, 1989.

MLA (8e ed.) Bronvermelding

Não informado. Minerals Industry International. Institution of Mining and Metallurgy, 1989.

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