APA Citation

Sign-Master: User's manual IBM PC, IBM PC/XT, IBM personal computer AT. [S.l.: s.n.

Chicago Style Citation

Sign-Master: User's Manual IBM PC, IBM PC/XT, IBM Personal Computer AT. [S.l.: s.n.

MLA Citation

Sign-Master: User's Manual IBM PC, IBM PC/XT, IBM Personal Computer AT. [S.l.: s.n.

Warning: These citations may not always be 100% accurate.