Rosinger, Lawrence K.
Princeton University Press, 1944
Buku Teks SO
Stewart, Maxwell S.
American Council, Institute of Pacific Relations, 1944
Buku Teks SO
White, Theodore H.
William Sloane Associates, 1961
Buku Teks SO
Jowett, Philip
Osprey Pub Co., 2013
Buku Teks SO
Foreign Languages Press, 1950
Buku Teks SO