Dore, R.P.
The Athlone Press, 1984
Buku Teks
Gordon, Andrew
Oxford University Press, 2003
Buku Teks
Earl, David Magarey
Tokyo University of Washington Press 1964
Buku Teks
Harootunian, H.D.
University of California Press, 1970
Buku Teks
Earl, David Magarey
University of Washington Press, 1964
Buku Teks