Chorafas, D. N. (1986). Fourth and fifth generation programming languages. McGraw-Hill.
Cita Chicago Style (17a ed.)Chorafas, Dimitris N. Fourth and Fifth Generation Programming Languages. New York [etc.]: McGraw-Hill, 1986.
Cita MLA (9a ed.)Chorafas, Dimitris N. Fourth and Fifth Generation Programming Languages. McGraw-Hill, 1986.
Precaución: Estas citas no son 100% exactas.