(1980). Industrial property statistics 1978=Statistiques de propriete industrielle. Geneva: World Intellectual Property Organization.
Chicago Style CitationIndustrial Property Statistics 1978=Statistiques De Propriete Industrielle. Geneva: World Intellectual Property Organization, 1980.
Cita MLAIndustrial Property Statistics 1978=Statistiques De Propriete Industrielle. Geneva: World Intellectual Property Organization, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.