(1980). Marine protection, research, and sanctuaries act, title II, authorization for fiscal year 1981: Report to accompany S. 2688.
Chicago-referens (17:e uppl.)Marine Protection, Research, and Sanctuaries Act, Title II, Authorization for Fiscal Year 1981: Report to Accompany S. 2688. 1980.
MLA-referens (9:e uppl.)Marine Protection, Research, and Sanctuaries Act, Title II, Authorization for Fiscal Year 1981: Report to Accompany S. 2688. 1980.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.