Wiedmann, Clark
Handbook of APL Programming
Petrocelli Books, 1974
Buku Referensi
Harms, Edward
Introduction APL and computer programming
John Wiley & Sons, 1977
Buku Teks SO
Paulman, Jack
Fundamentals of APL programming
Win C. Brown, 1976
Buku Teks SO
Helzer, Garry
Applied linear algebra with APL / Garry Helzer
Little, Brown And Company, 1983
Buku Teks
APL in practice : what you need to know to install and use successful APL systems and Major applications
John Wiley & Sons, 1980
Buku Teks