(1980). Industrial property statistics 1978=Statistiques de propriete industrielle. Geneva: World Intellectual Property Organization.
Trích dẫn kiểu ChicagoIndustrial Property Statistics 1978=Statistiques De Propriete Industrielle. Geneva: World Intellectual Property Organization, 1980.
MLA引文Industrial Property Statistics 1978=Statistiques De Propriete Industrielle. Geneva: World Intellectual Property Organization, 1980.
警告:這些引文格式不一定是100%准確.