Shapiro, C. (1999). Information Rules. Harvard Business School Press.
Lua i Stíl Chicago (17ú heag.)Shapiro, Carl. Information Rules. Boston: Harvard Business School Press, 1999.
Lua MLA (9ú heag.)Shapiro, Carl. Information Rules. Harvard Business School Press, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.