APA (7e ed.) Bronvermelding

Não informado. (1990). Metals & Minerals Annual Review. Mining Journal.

Chicago (17e ed.) Bronvermelding

Não informado. Metals & Minerals Annual Review. London: Mining Journal, 1990.

MLA (8e ed.) Bronvermelding

Não informado. Metals & Minerals Annual Review. Mining Journal, 1990.

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