(1981). A stratistical review of the world industrial situation 1981. U.S.A: UNIDO.
Chicago Style CitationA Stratistical Review of the World Industrial Situation 1981. U.S.A: UNIDO, 1981.
Cita MLAA Stratistical Review of the World Industrial Situation 1981. U.S.A: UNIDO, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.