APA (7e ed.) Bronvermelding

Não informado. (2012). Memoirs of the Geological Survey of the United Kingdom. [s.n.].

Chicago (17e ed.) Bronvermelding

Não informado. Memoirs of the Geological Survey of the United Kingdom. London: [s.n.], 2012.

MLA (8e ed.) Bronvermelding

Não informado. Memoirs of the Geological Survey of the United Kingdom. [s.n.], 2012.

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