edited by Bob Franklin
Routledge, 1991
Buku Teks
Pickles, Dorothy Maud
ssued under the auspices of the Royal Institute of International Affairs (by) Oxford U.P, 1966
Buku Teks
Routledge, 1990
Buku Teks
Saxena, Surrendra Kumar, author
Martinus Nijhoff , 1955
Buku Teks
Stewart, Robert B., author
Macmillan, 1939
Buku Teks