(1970). Publications and patents / Northern Utilization Research & Development Division.
Citazione stile Chigago Style (17a edizione)Publications and Patents / Northern Utilization Research & Development Division. 1970.
Citatione MLA (9a ed.)Publications and Patents / Northern Utilization Research & Development Division. 1970.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.