[1] Guns, Germs, and Steel: The Fates of Human Societies by Jared Diamond, published by W.W. Norton & Company; 1999
[2] The Cathedral and the Bazaar by Eric S. Raymond, Bob Young, published by O'Reilly & Associates, 2001
[3] The Cluetrain Manifesto: The End of Business as Usual by Christopher Locke, Rick Levine, Doc Searls, David Weinberger, published by Perseus Publishing, 2001
[4] Ларри Уолл, Том Кристиансен, Джон Орвант, `Программирование на Perl', изд. `Символ-плюс', 2001