APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.