Arnold, J.R. Tony
Pearson, 2008
Buku Teks
Stephen N. Chapman, J.R. Tony Arnold, Ann K. Gate wood, Lloyd M. Clive
Pearson , 2017
Buku Teks
Morris, William T.
Richard D. Irwin, 1962
Buku Teks
Hull, Derek
Cambridge University Press, 1990
Buku Teks
Shackelford, James F.
Pearson-Prentice Hall, 2005
Buku Teks