Norton, P. (1989). The new Peter Norton programmer's guide to the IBM PC and PS/2. World Wide Software and Publishing House.
Chicago Style (17th ed.) CitationNorton, Peter. The New Peter Norton Programmer's Guide to the IBM PC and PS/2. Manila: World Wide Software and Publishing House, 1989.
MLA (9th ed.) CitationNorton, Peter. The New Peter Norton Programmer's Guide to the IBM PC and PS/2. World Wide Software and Publishing House, 1989.
Warning: These citations may not always be 100% accurate.