APA (7e ed.) Bronvermelding

Spangler, M. G., & Handy, R. L. (1982). Soil engineering (4th ed.). Harper & Row.

Chicago (17e ed.) Bronvermelding

Spangler, Merlin Grant, en Richard Lincoln Handy. Soil Engineering. 4th ed. New York: Harper & Row, 1982.

MLA (9e ed.) Bronvermelding

Spangler, Merlin Grant, en Richard Lincoln Handy. Soil Engineering. 4th ed. Harper & Row, 1982.