APA aipamena

NATIONAL PRODUCTIVITY COUNCIL. (1977). FUEL EFFICIENCY. NATIONAL PRODUCTIVITY COUNCIL.

Chicago Style aipamena

NATIONAL PRODUCTIVITY COUNCIL. FUEL EFFICIENCY. NEW DELHI: NATIONAL PRODUCTIVITY COUNCIL, 1977.

MLA aipamena

NATIONAL PRODUCTIVITY COUNCIL. FUEL EFFICIENCY. NATIONAL PRODUCTIVITY COUNCIL, 1977.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.