Sinha, R. Don't think twice, it's all right: Music piracy and pricing in a DRM - free environment. Journal of marketing.
Lua i Stíl Chicago (17ú heag.)Sinha, Rajiv. "Don't Think Twice, It's All Right: Music Piracy and Pricing in a DRM - Free Environment." Journal of Marketing .
Lua MLA (9ú heag.)Sinha, Rajiv. "Don't Think Twice, It's All Right: Music Piracy and Pricing in a DRM - Free Environment." Journal of Marketing, .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.