Mackintosh, Chaerles Rennie, author
The Foulis Press, 1995
Buku Teks
Raheb-Mol, Joanne., author
Oxford University Press, 1998
Buku Referensi
Lee, Kathryn Dean, author
Appleton Century Crofts, 1949
Buku Teks
edited by Deborah Cherry
Blackwell, 2005
Buku Teks
Tansbury-O`Donnell, Mark, 1956-, author
Wiley-Blackwell, 2015
Buku Teks