APA استشهاد

Sorensen, R. M. (1978). Basic coastal engineering. John Wiley.

استشهاد بنمط شيكاغو

Sorensen, Robert M. Basic Coastal Engineering. New York: John Wiley, 1978.

MLA استشهاد

Sorensen, Robert M. Basic Coastal Engineering. John Wiley, 1978.