Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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