PERKINS ANTHONY B. (1999). THE INTERNET BUBBLE. HARPER COLLINS PUBLISHERS.
Chicago-čujuhus (17. p.)PERKINS ANTHONY B. THE INTERNET BUBBLE. NEW YORK: HARPER COLLINS PUBLISHERS, 1999.
MLA-čujuhus (9. p.)PERKINS ANTHONY B. THE INTERNET BUBBLE. HARPER COLLINS PUBLISHERS, 1999.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.