APA (7e ed.) Bronvermelding

Não informado. (2000). United Kingdom mineral statistics. British Geological Survey.

Chicago (17e ed.) Bronvermelding

Não informado. United Kingdom Mineral Statistics. London: British Geological Survey, 2000.

MLA (8e ed.) Bronvermelding

Não informado. United Kingdom Mineral Statistics. British Geological Survey, 2000.

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