Fischer, Michael. Apple IIGS : technical reference / Michael Fischer. - 1st ed. - Berkeley, Calif. : Osborne McGraw-Hill, 1987. - xiv, 699 p. : ill. ; 24 cm. Includes index. ISBN: 0078810094 $19.95 Subjects--Topical Terms: Apple IIGS (Computer) Dewey Class. No.: 004.165 / FIA