World Intellectual Property Organization (Geneva, Switzerland). (2003). Guide on surveying the economic contribution of the copyright-based industries ([1st ed.].). WIPO.
Chicago-Zitierstil (17. Ausg.)World Intellectual Property Organization (Geneva, Switzerland). Guide on Surveying the Economic Contribution of the Copyright-based Industries. [1st ed.]. Geneva: WIPO, 2003.
MLA-Zitierstil (9. Ausg.)World Intellectual Property Organization (Geneva, Switzerland). Guide on Surveying the Economic Contribution of the Copyright-based Industries. [1st ed.]. WIPO, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.