Harcourt-Smith, Simon
Alfred A. Knopf, 1942
Buku Teks
C.L. van Langenhuysen, 1918
Buku Teks
Keeton, George W., 1902-1989., editor
Stevans & Sons , 1949
Buku Teks
International Secretariat Institute of Pacific Relations, 1943
Buku Teks
Chow, S. R.
Macmillan, 1944
Buku Teks