edited by Nick Eberstadt
Frederick A. Praeger, 1981
Buku Teks
Johnson, Harry G.
Praeger , 1968
Buku Teks
Bird, Graham
Macmillan, 1978
Buku Teks SO
Heller, Jack
Law School of Harvard University, 1963
Buku Teks SO
Khatkhate, Deena R.
IMF, [Date of publication not identified]
Buku Teks