Drexl, J. (1994). What is protected in a computer program?: Copyright protection in the United States and Europe. VCH.
Chicago-Zitierstil (17. Ausg.)Drexl, Josef. What Is Protected in a Computer Program?: Copyright Protection in the United States and Europe. Weinheim ; New York, NY: VCH, 1994.
MLA-Zitierstil (9. Ausg.)Drexl, Josef. What Is Protected in a Computer Program?: Copyright Protection in the United States and Europe. VCH, 1994.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.