Barnett, Raymond A., author
McGraw-HIll, 2000
Buku Teks
Goodman, Arthur, author
Grove Brooks/Cole, 2000
Buku Teks
Wheeler, Ruric E., author
John Wiley & Sons, 1996
Buku Teks
Larson, Ron, 1941-, author
Houghton Mifflin , 1999
Buku Teks
Binmore, K.G., author
Cambridge University Press, 1995
Buku Teks