Coker, Cheryl A., author
McGraw-HIll, 2004
Buku Teks
Coker, Cheryl A., author
McGraw-Hill, 2004
Buku Teks
Utley, Andrea, author
Taylor and Francis, 2008
Buku Teks
Magill, Richard A., author
McGraw-Hill, 2004
Buku Teks
Magill, Richard A., author
McGraw-HIll, [Date of publication not identified]
Buku Teks