Hiam, Alexander
Tools for executives CEO
Elex Media Komputindo, 1994
 Buku Teks
Shim, Jae K.
Tools for executives MBA = The vest pocket MBA
Alex Media Komputindo, 1993
 Buku Teks
Hiam, Alexander
Tools for executives pemasar (marketer) : buku pertama
Elex Media Komputindo, 1994
 Buku Teks
Tyran, Michael R.
Tools for executives rasio bisnis = The vest pocket guide to business ratios
Elex Media Komputindo, 1994
 Buku Teks
Mace, Myles L.
The Growth and development of executives
Harvard University Press, 1950
 Buku Teks