APA (7e ed.) Bronvermelding

Não informado. (1973). International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts. Pergamon Press.

Chicago (17e ed.) Bronvermelding

Não informado. International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts. Oxford, Inglaterra: Pergamon Press, 1973.

MLA (8e ed.) Bronvermelding

Não informado. International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts. Pergamon Press, 1973.

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