APA (7e ed.) Bronvermelding

Não informado. (1968). Bulletin of the Geological Society of Finland. Geological Society of Finland.

Chicago (17e ed.) Bronvermelding

Não informado. Bulletin of the Geological Society of Finland. Helsinki: Geological Society of Finland, 1968.

MLA (8e ed.) Bronvermelding

Não informado. Bulletin of the Geological Society of Finland. Geological Society of Finland, 1968.

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