APA (7e ed.) Bronvermelding

Não informado. (1964). International Journal of Rock Mechanics and Mining Sciences. Pergamon Press.

Chicago (17e ed.) Bronvermelding

Não informado. International Journal of Rock Mechanics and Mining Sciences. Oxford, Inglaterra: Pergamon Press, 1964.

MLA (8e ed.) Bronvermelding

Não informado. International Journal of Rock Mechanics and Mining Sciences. Pergamon Press, 1964.

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