Hutchinson, S. Microcomputer Applications Software. World Perfect, dBase III Plus and Supercal. Homewood: IRWIN, 1989 115 p. : ill. 0-256-07683-9.
Hutchinson, S. Microcomputer Applications Software. World Perfect, dBase III Plus and Supercal. Homewood: IRWIN, 1989 115 p. : ill. 0-256-07683-9.
Hutchinson, S. (1989) Microcomputer Applications Software. World Perfect, dBase III Plus and Supercal, Homewood: IRWIN 115 p. : ill. 0-256-07683-9.
Hutchinson, S. (1989). Microcomputer Applications Software. World Perfect, dBase III Plus and Supercal. Monogr.. Homewood: IRWIN, 115 p. : ill.
Hutchinson S. Microcomputer Applications Software. World Perfect, dBase III Plus and Supercal: Monogr.. Homewood: IRWIN; 1989. p. 115 p. : ill. ISBN: 0-256-07683-9.