Conway, Richard
An Introduction to programming: a structured approach using PL/I and PL/C
Winthrop Publishers, 1973
 Buku Teks SO
Lecht, Charles Philip
The Programmer's PL/I: a complete reference
McGraw-Hill, 1968
 Buku Teks
Katzan, Harry, Jr.
A PL/I approach to programming languages
Auerbach, 1972
 Buku Teks
Computer applications in management
Brandon/Systems Press, 1970
 Buku Teks
Page, John R., 1949-
Microcomputer accounting and business applications
Reston Publishing, 1985
 Buku Teks