APA (7e ed.) Bronvermelding

Bromley, R. G. (1965). Studies in the lithology and conditions of the Chalk Rock and comparable horizons. University of London.

Chicago (17e ed.) Bronvermelding

Bromley, Richard Granville. Studies in the Lithology and Conditions of the Chalk Rock and Comparable Horizons. University of London, 1965.

MLA (8e ed.) Bronvermelding

Bromley, Richard Granville. Studies in the Lithology and Conditions of the Chalk Rock and Comparable Horizons. University of London, 1965.