Pakin, Sandra
APL: a short course
Prentice-Hall, 1973
 Buku Teks SO
Pritsker, A. Alan B.
The GASP IV simulation language
John Wiley & Sons, 1974
 Buku Teks
Paulman, Jack
Fundamentals of APL programming
Win C. Brown, 1976
 Buku Teks SO
Miller, Alan R.
Assembly language technique for the IBM PC
Tech Publications & Sybex, c1986
 Buku Teks
Assembler language coding: Textbook 3
International Business Machines Corporation, 1974
 Buku Teks SO