Não informado. (1933). Shore and beach. American Shore and Beach Preservation Association.
Chicago-referens (17:e uppl.)Não informado. Shore and Beach. New Orleans, La: American Shore and Beach Preservation Association, 1933.
MLA-referens (8:e uppl.)Não informado. Shore and Beach. American Shore and Beach Preservation Association, 1933.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.