PERKINS ANTHONY B. (1999). THE INTERNET BUBBLE. HARPER COLLINS PUBLISHERS.
Lua i Stíl Chicago (17ú heag.)PERKINS ANTHONY B. THE INTERNET BUBBLE. NEW YORK: HARPER COLLINS PUBLISHERS, 1999.
Lua MLA (9ú heag.)PERKINS ANTHONY B. THE INTERNET BUBBLE. HARPER COLLINS PUBLISHERS, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.