Crick, Bernard, author
Little, Brown, 1980
Buku Teks
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1970
UI - Skripsi (Membership)
Orwell, George, 1903-1950, author
Penguin Books, 1989
Buku Teks
Rodden, John, author
[Cambridge University Press;, ], 2012
eBooks
Orwell, George, 1903-1950, author
Everyman's Library, 1992
Buku Teks