Nicolson, Harold, author
Oxford, 1969
Buku Teks
Kissinger, Henry, 1923-, author
Schuter, 1994
Buku Teks
Dizard, Wilson, Jr., author
Praeger, 2001
Buku Teks
Mattingly, Garrett, author
Houghton Miffiln, 1955
Buku Teks
Berridge, G. R, author
Palgrave Macmillan, 2015
Buku Teks