Gaya APA

MARAKAS, G, M., O'BRIEN, J, A. (2006). MANAGEMENT INFORMATION SYSTEMS (7th). New York: MCGRAW-HILL.

Gaya MLA

MARAKAS, George, M.., O'BRIEN, James, A. "MANAGEMENT INFORMATION SYSTEMS". 7th New York: MCGRAW-HILL, 2006. Text.