Papacostas, C. S., author
Prentice-Hall, 1987
Buku Teks
Fricker, Jon D., author
Pearson/Prentice Hall, 2004
Buku Teks
Hennes, Robert G.
McGraw-Hill, 1969
Buku Teks
Papacostas, C. S., author
Pearson/Prentice Hall, 2005
Buku Teks
Banks, James H., author
WCB McGraw-Hill, 1998
Buku Teks