Lewis, T.G. (Theodore Gyle), author
Prentice-Hall, 1982
Buku Teks
Fairley, Richard E., author
McGraw-Hill, 1985
Buku Teks
Fairley, Richard E., author
McGraw-Hill, 1985
Buku Teks
by Robert K. Lindsay [and others]
McGraw-Hill, 1980
Buku Teks
Rietman, Ed
TAB Books,, 1988
Buku Teks