Lanier, Mark M., author
Westview Press, a member of the Perseus Books Group, 2015
Buku Teks
Adler, Freda, author
McGraw-Hill, 1991
Buku Teks
Vito, Gennaro F., author
Wadsworth, 1994
Buku Teks
Newburn, Tim, author
Routledge, 2017
Buku Teks
Tah, Donald R.
Buku Teks