Gaya APA

BENTLEY, L, D., WHITTEN, J, L. (2007). Systems Analysis & Design for the Global Entreprise (7). USA: McGraw Hill Companies.

Gaya MLA

BENTLEY, LONNIE, D.., WHITTEN, JEFFREY, L.. "Systems Analysis & Design for the Global Entreprise". 7 USA: McGraw Hill Companies, 2007. Text.