edited by Robin Middleton
MIT Press, 1996
Buku Teks
editor, Frederick G. Ruffner, Ann C. Thomas, Ann Underwood, Mangoret Fisk, Harold C. Young
Gale Research, 1964
Buku Referensi
Doren, Charles van, author
Frederick A. Praeger , 1967
Buku Teks
Daniel, Glyn, author
Victoria: Penguin Books Australia, 1962
Buku Teks
Sen, Amartya, 1933-, author
Belknap Press of Harvard University Press, 2009
Buku Teks