Παραπομπή APA

Beynon-Davies, P. (1991). Expert database system: A gentle introduction. McGraw - Hill.

Παραπομπή Chicago Style

Beynon-Davies, Paul. Expert Database System: A Gentle Introduction. London: McGraw - Hill, 1991.

Παραπομπή MLA

Beynon-Davies, Paul. Expert Database System: A Gentle Introduction. McGraw - Hill, 1991.