Hughes, Sherick A., author
Sage, 2017
Buku Teks
edited by Christina Hughes
Open University Press, 2003
Buku Teks
Jackson, Sherri L., author
Thomson Wadsworth, 2006
Buku Teks
Jackson, Sherri L., author
Thomson Wadsworth, 2003
Buku Teks
Jackson, Sherri L., author
Wadsworth and Cengage Learning, 2012
Buku Teks