Vito, Gennaro F., author
Wadsworth, 1994
Buku Teks
Chambliss, William, 1933-2014, author
McGraw-Hill, 2012
Buku Teks
Copes, Heith, author
McGraw-Hill, 2009
Buku Teks
Adler, Freda, author
McGraw-Hill, 1991
Buku Teks
Siegel, Larry J., 1959-, author
Wadsworth and Cengage Learning, 2012
Buku Teks