Hollister, Bernard C., author
National Textbook, 1991
Buku Teks
Turow, Joseph, author
Routledge, 2009
Buku Teks
Turow, Joseph, author
Routledge, 2014
Buku Teks
Jones, Marsha, author
Palgrave, 1999
Buku Teks
Biagi, Shirley, author
Cengage Learning, 2015
Buku Teks