Makris, G.p.
Blackwell Publishing, 2007
Buku Teks
Bullard, Reader
Oxford university Press, 1958
Buku Teks
Morrison, Stanley Andrew, author
SCM Press, 1954
Buku Teks
Lockman, Zachary, author
Cambridge, 2004
Buku Teks
Deegan, Heather, author
Routledge, 1996
Buku Teks