Isaacs, Harold R.
Macmillan, 1947
Buku Teks
The National Institute for Defense Studies
The Japan Times, 2016
Buku Teks
Lower, Arthur R.M., author
The Haddon Craftsmen, 1941
Buku Teks
Morin, Relman
Alfred A. Knopf, 1960
Buku Teks
Christy, Arthur
The John Day Company, 1945
Buku Teks