Frederick Pretorius, Paul Lejot, Arthur Mclnnis, Douglas Arner, Berry Fong-Chung Hsu
BlackWell Publishing, 2008
Buku Teks
White, Robert W., author
Prentice-Hall, 1996
Buku Teks
Bruner, Robert F., author
McGraw-Hill, 2010
Buku Teks
Johnson, John D., author
McGraw-Hill, 1990
Buku Teks SO
Potts, Keith, author
Taylor &Fransic, 2008
Buku Teks