LUCAS HENRY C. (1999). INFORMATION TECHNOLOGY AND THE PRODUCTIVITY PARADOX. OXFORD UNIVERSITY PRESS.
Chicago-čujuhus (17. p.)LUCAS HENRY C. INFORMATION TECHNOLOGY AND THE PRODUCTIVITY PARADOX. CALCUTTA: OXFORD UNIVERSITY PRESS, 1999.
MLA-čujuhus (9. p.)LUCAS HENRY C. INFORMATION TECHNOLOGY AND THE PRODUCTIVITY PARADOX. OXFORD UNIVERSITY PRESS, 1999.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.