Budinski, Kenneth G.
ASM International, 2001
eBooks
Thomas, T.A.
McGraw-Hill, 1978
Buku Teks SO
Mills, Gordon H.
Holt, Rinehart and Winston, 1954
Buku Teks SO
International Organizational for Standardization
International Organizational for Standardization, 1999
Buku Teks SO
Schmidt, Steven
Prentice-Hall, 1983
Buku Teks SO