Georgopoulos, Basil S., author
W.B. Saunders, 1975
Buku Teks
Russell B Gunia
USA : ASM International, 1977
Buku Teks
edited by Brian Sutton-Smith [and others]
Utah State University Press, 1999
Buku Referensi
Geddes-Brown, Leslie, author
Page One, 2000
Buku Referensi
Collin, Simon, author
McGraw-Hill, 1995
Buku Teks