Dore, R.P., author
The Athlone Press, 1984
Buku Teks
Earl, David Magarey
Tokyo University of Washington Press 1964
Buku Teks
Earl, David Magarey
University of Washington Press, 1964
Buku Teks
Murdoch, James, author
Routledge , 1926
Buku Referensi
Harootunian, H.D., author
University of California Press, 1970
Buku Teks