Rosinger, Lawrence K.
Princeton, 1944
Buku Teks
Stewart, Maxwell S.
American Council, Institute of Pacific Relations, 1944
Buku Teks
White, Theodore H.
William Sloane Associates, 1961
Buku Teks
Lin, Qihong.
H. Vetch , 1930
Buku Teks
Norton, Henry K.
Allen & Unwin , [date of publication not identified]
Buku Teks