Drexl, J. (1994). What is protected in a computer program?: Copyright protection in the United States and Europe. VCH.
Chicago Style (17th ed.) CitationDrexl, Josef. What Is Protected in a Computer Program?: Copyright Protection in the United States and Europe. Weinheim, Federal Republic of Germany ; New York, NY, USA: VCH, 1994.
MLA (9th ed.) CitationDrexl, Josef. What Is Protected in a Computer Program?: Copyright Protection in the United States and Europe. VCH, 1994.
Warning: These citations may not always be 100% accurate.