IBM. (1989). Device support facilities: User's guide and reference (13a. ed.). New York: IBM.
Chicago Style CitationIBM. Device Support Facilities: User's Guide and Reference. 13a. ed. New York: IBM, 1989.
MLA CitationIBM. Device Support Facilities: User's Guide and Reference. 13a. ed. New York: IBM, 1989.
Warning: These citations may not always be 100% accurate.