Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.