APA-viite (7. p.)

PERKINS ANTHONY B. (1999). THE INTERNET BUBBLE. HARPER COLLINS PUBLISHERS.

Chicago-viite (17. p.)

PERKINS ANTHONY B. THE INTERNET BUBBLE. NEW YORK: HARPER COLLINS PUBLISHERS, 1999.

MLA-viite (9. p.)

PERKINS ANTHONY B. THE INTERNET BUBBLE. HARPER COLLINS PUBLISHERS, 1999.