Engel, Thomas, author
Upper Saddle River, [date of publication not identified]
Buku Teks
Blinder, S.M., author
Macmillan, 1969
Buku Teks
by Ignacio Tinaco, Kenneth Sauer, James C. Wang and Joseph D. Puglisi
Pearson Prentice Hall, 2002
Buku Teks
Bahl, B.S., author
S Chand & Company, 1997
Buku Teks
Bahl, B.S., author
S. Chand, 1985
Buku Teks