(1990). Using Unix System 5 Release 3 The Le Blond Group [et Al.]. Osborne McGraw-Hill.
Chicago Style (17th ed.) CitationUsing Unix System 5 Release 3 The Le Blond Group [et Al.]. Osborne McGraw-Hill, 1990.
MLA引文Using Unix System 5 Release 3 The Le Blond Group [et Al.]. Osborne McGraw-Hill, 1990.
警告:這些引文格式不一定是100%准確.