APA (7e ed.) Bronvermelding

BOWELS, J. E. (1988). Foundation analysis and design.-- Ed.4. McGraw-Hill Book.

Chicago (17e ed.) Bronvermelding

BOWELS, Jaseph E. Foundation Analysis and Design.-- Ed.4. Singapore: McGraw-Hill Book, 1988.

MLA (9e ed.) Bronvermelding

BOWELS, Jaseph E. Foundation Analysis and Design.-- Ed.4. McGraw-Hill Book, 1988.