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
Siegel, Larry J., 1959-, author
Wadsworth and Cengage Learning, 2012
Buku Teks