Hawkins, Freda
New South Wales University Press, 1989
Buku Teks
Muhammad Arief, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2017
UI - Tugas Akhir
Harris, Phil, author
Weidenfeld and Nicolson, 1993
Buku Teks
Jennings, Ivor, Sir, 1903-1965, author
Hodder and Stoughton, 1979
Buku Teks
Farrar, Harry, author
The Donnington Press, 1970
Buku Teks