Silver, Howard A.
Prentice-Hall, 1981
Buku Teks
Silver, A. David
John Wiley & Sons, 1983
Buku Teks
Byllensvard, Bo
Goteborg Elanders Boktry Aktiebolag 1958
Buku Teks
Gainsford, I.D. (Ian Derek), author
Wright , 1992
Buku Teks
Jastram, Roy W., author
Johns Hopkins Press, 1981
Buku Teks