Gaya APA

Marakas, G, M., O’Brien, J, A. (). INTRODUCTION TO INFORMATION SYSTEMS (Fifteenth Edition). : McGraw-Hill/Irwin.

Gaya MLA

Marakas, George, M.., O’Brien, James, A.. "INTRODUCTION TO INFORMATION SYSTEMS". Fifteenth Edition : McGraw-Hill/Irwin, . E-Book S2 Teknik Elektro.