Gaya APA

Whitten, J, L., Bentley, L, D. (2007). SYSTEMS ANALYSIS AND DESIGN METHODS (7th). New York: MCGRAW-HILL.

Gaya MLA

Whitten, Jeffrey, L.., Bentley, Lonnie, D.. "SYSTEMS ANALYSIS AND DESIGN METHODS". 7th New York: MCGRAW-HILL, 2007. Text.