Cita APA (7th ed.)

McGraw-Hill Book Company & Birnes, W. J. (1989). McGraw-Hill personal computer programming encyclopedia: Languages and operating systems (2nd edition.). McGraw-Hill.

Cita Chicago (17th ed.)

McGraw-Hill Book Company i William J. Birnes. McGraw-Hill Personal Computer Programming Encyclopedia: Languages and Operating Systems. 2nd edition. New York, New York: McGraw-Hill, 1989.

Cita MLA (9th ed.)

McGraw-Hill Book Company i William J. Birnes. McGraw-Hill Personal Computer Programming Encyclopedia: Languages and Operating Systems. 2nd edition. McGraw-Hill, 1989.