Gaya APA

BENTLEY, L, D., WHITTEN, J, L. (2007). Systems analysis and design for the global enterprise (7th ed.). Boston: McGraw-Hill Irwin.

Gaya MLA

BENTLEY, Lonnie, D.., WHITTEN, Jefrfrey, L.. "Systems analysis and design for the global enterprise". 7th ed. Boston: McGraw-Hill Irwin, 2007. Text.