Pollack, Herman W.
Tool design / Herman W. Pollack
Reston Publishing, 1976
 Buku Teks
Leslie, William C.
The physical metallurgy of steels
McGraw-Hill International, 1982
 Buku Teks
Surface hardening of steels: understanding the basics
edited by J.R. Davis
ASM International, 2002
 eBooks
Donaldson, Cyril
Tool design
Tata McGraw-Hill, 1994
 Buku Teks
Krauss, George
Steels : heat treatment and processing principles / George Krauss
ASM International, 1990
 Buku Teks