Canada. Mines Branch. (1959). Technical bulletin - Dept. of Energy, Mines and Resources, Mines Branch.
Citazione stile Chigago Style (17a edizione)Canada. Mines Branch. Technical Bulletin - Dept. of Energy, Mines and Resources, Mines Branch. Ottawa, 1959.
Citatione MLA (8a ed.)Canada. Mines Branch. Technical Bulletin - Dept. of Energy, Mines and Resources, Mines Branch. 1959.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.