Nova Scotia. Dept. of Mines and Energy. (1980). Annual report. The Department.
Chicago-referens (17:e uppl.)Nova Scotia. Dept. of Mines and Energy. Annual Report. [Halifax, N.S.]: The Department, 1980.
MLA-referens (8:e uppl.)Nova Scotia. Dept. of Mines and Energy. Annual Report. The Department, 1980.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.