Gaya APA

Watson, E, R, H, S, J, ;, H, J. (1993). Decision support systems: putting theory into practice (ed. 3). America: Prentice Hall.

Gaya MLA

Watson, Ed., Ralph, H., Sprague,, Jr., ;, Hugh, J.. "Decision support systems: putting theory into practice". ed. 3 America: Prentice Hall, 1993. Text.