Sassoon, Rosemary, author
Routledge , 1999
Buku Teks
Chant, Christopher, author
London: Chancellor Press, 1999,
Buku Referensi
J.L. Granatstein ...[et al.]
McGraw-Hill Ryerson, 1983
Buku Teks
Gray, Richard, 1944-, author
Longman, 1991
Buku Teks
Dulles, Foster Rhea, author
Houghton-Mifflin, 1945
Buku Teks