The DOS manual disk operating system, Apple II. (Manila National Book Store, 1980)
"Reprinted under authority of Presidential Decree No. 285 as amended by P. D. Nos. 400 & 1203"--T.p. verso.
A reprint of the same ed. published by Apple Computer, Cupertino, Calif.
Keywords: Apple II (Computer).; Apple computer -- Handbooks, manuals, etc; Computers -- Handbooks, manuals, etc; Microcomputers -- Handbooks, manuals, etc