APA (7e ed.) Bronvermelding

CAPPER, P. L., CASSIE, W. F., & GEDDES, J. D. (1971). Problems in engineering soils.--Ed. SI. Oxford and IBH.

Chicago (17e ed.) Bronvermelding

CAPPER, P. Leonard, W. Fisher CASSIE, en James D. GEDDES. Problems in Engineering Soils.--Ed. SI. New Dehli: Oxford and IBH, 1971.

MLA (9e ed.) Bronvermelding

CAPPER, P. Leonard, et al. Problems in Engineering Soils.--Ed. SI. Oxford and IBH, 1971.