University of Tokyo Press, 1969
Buku Teks
Nair, C.V. Devan
Maruzen Asia , 1982
Buku Teks
Ward, Edward, 1905-
Bodley Head, 1947
Buku Teks
Wedgwood, C.V. (Cicely Veronica), 1910-
The British Council by Longmans, Green, 1955
Buku Teks
Denison, Edward F
The Brookings Institution, 1976
Buku Teks