Putranti, I. R. (2010). Lisensi copyleft dan perlindungan open source software di Indonesia. Gallery Ilmu.
Chicago Style (17th ed.) CitationPutranti, Ika Riswanti. Lisensi Copyleft Dan Perlindungan Open Source Software Di Indonesia. Gallery Ilmu, 2010.
MLA (8th ed.) CitationPutranti, Ika Riswanti. Lisensi Copyleft Dan Perlindungan Open Source Software Di Indonesia. Gallery Ilmu, 2010.
Warning: These citations may not always be 100% accurate.