World Intellectual Property Organization. (1988). Background reading material on intellectual property. World Intellectual Property Organization.
Chicago (17e ed.) BronvermeldingWorld Intellectual Property Organization. Background Reading Material on Intellectual Property. Geneva, Switzerland: World Intellectual Property Organization, 1988.
MLA (9e ed.) BronvermeldingWorld Intellectual Property Organization. Background Reading Material on Intellectual Property. World Intellectual Property Organization, 1988.
Let op: Deze citaties zijn niet altijd 100% accuraat.