SCHWARTZ EVAN I. (1997). WEBONOMICS: NINE ESSENTIAL PRINCIPLES FOR GROWING YOUR BUSINESS ON THE WORLD WIDE WEB. BROADWAY BOOKS.
Chicago-viite (17. p.)SCHWARTZ EVAN I. WEBONOMICS: NINE ESSENTIAL PRINCIPLES FOR GROWING YOUR BUSINESS ON THE WORLD WIDE WEB. NEW YORK: BROADWAY BOOKS, 1997.
MLA-viite (9. p.)SCHWARTZ EVAN I. WEBONOMICS: NINE ESSENTIAL PRINCIPLES FOR GROWING YOUR BUSINESS ON THE WORLD WIDE WEB. BROADWAY BOOKS, 1997.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.