Citazione Stile APA (7a Edizione)

O`BRIEN JAMES A. (2005). INTRODUCTION TO INFORMATION SYSTEMS (12TH ED.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.

Citazione stile Chigago Style (17a edizione)

O`BRIEN JAMES A. INTRODUCTION TO INFORMATION SYSTEMS. 12TH ED. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2005.

Citatione MLA (9a ed.)

O`BRIEN JAMES A. INTRODUCTION TO INFORMATION SYSTEMS. 12TH ED. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2005.