Gaya APA

Watson, H, J., Sprague, R, H. (1993). Decision support systems : putting theory into practice (3rd ed.). New Jersey: Prentice Hall International.

Gaya MLA

Watson, Hugh, J.., Sprague, Ralph, H.. "Decision support systems : putting theory into practice". 3rd ed. New Jersey: Prentice Hall International, 1993. Text.