Rodden, John
Cambridge University Press, 2012
eBooks
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 1970
UI - Skripsi Membership
Orwell, George, 1903-1950
Penguin Books, 1989
Buku Teks
Crick, Bernard
Little, Brown, 1980
Buku Teks SO
Orwell, George, 1903-1950
Sumbu, 2001
Buku Teks