Allen, Karen M., author
J.B. Lippincott, 1996
Buku Teks
Higgs, Zana Rae, author
FA. Davis, 1985
Buku Teks
Bly, Robert W.
Prentice-Hall, 1993
Buku Teks
Grisham, John, author
Gramedia Pustaka Utama, 2011
Buku Teks
Crough, Greg, author
Penguin Books, 1982
Buku Teks