Grauer, R. T., & Sugrue, P. K. (1991). Microcomputer applications (3rd ed.). Mitchell McGraw-Hill.

Grauer, Robert T., and Paul K. Sugrue. Microcomputer Applications. 3rd ed. New York: Mitchell McGraw-Hill, 1991.

Grauer, Robert T., and Paul K. Sugrue. Microcomputer Applications. 3rd ed. Mitchell McGraw-Hill, 1991.