Dyfyniad APA

POPPEL HARVEY L. (1987). INFORMATION TECHNOLOGY: THE TRILLION DOLLAR OPPORTUNITY. MCGRAW-HILL.

Dyfyniad Arddull Chicago

POPPEL HARVEY L. INFORMATION TECHNOLOGY: THE TRILLION DOLLAR OPPORTUNITY. NEW YORK: MCGRAW-HILL, 1987.

Dyfyniad MLA

POPPEL HARVEY L. INFORMATION TECHNOLOGY: THE TRILLION DOLLAR OPPORTUNITY. MCGRAW-HILL, 1987.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.