Baerwald, Hans H.
Cambridge University Press, 1974
Buku Teks
Gorringe, Hugo
Oxford University Press, 2017
eBooks
Anderson, Edward William
Baillière Tindall & Cassell, 1979
Buku Teks
Hutt, W. H.
Ohio University Press , 1974
Buku Teks
Davies, W. H.
Jonathan Cape, 1933
Buku Teks