NATIONAL PRODUCTIVITY COUNCIL. (1977). FUEL EFFICIENCY. NATIONAL PRODUCTIVITY COUNCIL.
Citazione stile Chigago Style (17a edizione)NATIONAL PRODUCTIVITY COUNCIL. FUEL EFFICIENCY. NEW DELHI: NATIONAL PRODUCTIVITY COUNCIL, 1977.
Citatione MLA (9a ed.)NATIONAL PRODUCTIVITY COUNCIL. FUEL EFFICIENCY. NATIONAL PRODUCTIVITY COUNCIL, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.