Source for Popular Vote data: North Dakota Secretary of State. North Dakota Official Abstract of Votes Cast at the General Election Held November 4, 1980, North Dakota Secretary of State (https://vip.sos.nd.gov/pdfs/Abstracts%20by%20Year%5C1980s'%20Election%20Results%5C1980%5CGeneral%20Election%2011-04-1980) (accessed 15 May 2016)