Berg, D. W. (1968). Systematic collection of beach data. U.S. Coastal Engineering Research Center.
Cita Chicago (17th ed.)Berg, Dennis W. Systematic Collection of Beach Data. [Washington]: U.S. Coastal Engineering Research Center, 1968.
Cita MLA (8th ed.)Berg, Dennis W. Systematic Collection of Beach Data. U.S. Coastal Engineering Research Center, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.