Gaya APA

OBRIEN, J, A., MARAKAS, G, M. (2009). MANAGEMENT INFORMATION SYSTEMS (9th). New York: MCGRAW-HILL.

Gaya MLA

OBRIEN, James, A.., MARAKAS, George, M.. "MANAGEMENT INFORMATION SYSTEMS". 9th New York: MCGRAW-HILL, 2009. Text.