Beyer, Hans, author
Prentice-Hall, 1996
Buku Referensi
edited by John A. Dean, Norbert Adolph Lange
McGraw-Hill, 1985
Buku Referensi
edited by O. Hutzinger
Springer-Verlag, 1995
Buku Teks
edited by H.S.W. Massey, E.W. McDaniel, Benjamin Bederson
Academic Press, 1982
Buku Teks
Cassidy, Harold G.
Freeman, Cooper & Company , 1970
Buku Teks