Orwell, George, 1903-1950, author
Everyman's Library, 1992
Buku Teks
Blyton, Enid, author
Hodder & Stoughton, 1944
Buku Teks
Sihombing, Augustina, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1982
UI - Skripsi (Membership)
edited by Dominic Head
Cambridge University Press, 2016
Buku Teks
Ann-Marie Einhaus, editor
Cambridge University Press, 2016
Buku Teks