Cohen, Morris Raphael
Free Press, 1950
Buku Teks
ASM International, 1992
Buku Teks
Cohen, Morris L., author
RajaGrafindo Persada, 1995
Buku Referensi
Cohen, R. L.
The University Press, 1955
Buku Teks
Snyder, Louis L., author
D. Van Nostrand Company, 1958
Buku Teks