APA (7e ed.) Bronvermelding

Não informado. (1970). Bulletin of the International Association of Engineering Geology. Laboratoire Central des Ponts et Chaussées.

Chicago (17e ed.) Bronvermelding

Não informado. Bulletin of the International Association of Engineering Geology. Paris: Laboratoire Central des Ponts et Chaussées, 1970.

MLA (8e ed.) Bronvermelding

Não informado. Bulletin of the International Association of Engineering Geology. Laboratoire Central des Ponts et Chaussées, 1970.

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