Degenova, Mary Kay, author
McGraw-Hill , 2008
Buku Teks
Olson, David H., author
McGraw-Hill , 2006
Buku Teks
Lamanna, Mary Ann, author
Wadsworth and Cengage Learning, 2011
Buku Teks
Karraker, Meg Wilkes, author
Sage, 2013
Buku Teks
Palmer, Robert L., author
Penguin Book , 1988
Buku Teks