Allen, B.L., author
W.H. Preman, 1970
Buku Teks
Shriner, Ralph Lloyd, 1899-1994, author
John Wiley & Sons, 1956
Buku Teks
Fischbach, Frances Talaska, author
J.B. Lippincott, 2000
Buku Teks
Surridge, B. J.
W. Heffer & Sons Ltd., 1958
Buku Teks
Hesketh, Howard E., author
Technomic, 1994
Buku Teks