APA-čujuhus (7. p.)

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.

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