Cambridge University Press, 1996
eBooks
Fraser, G.S. (George Sutherland), 1915-
Published for the British Council and the National Book League by Longmans, 1965
Buku Teks
MacNeice, Louis
Oxford University Press, 1941
Buku Teks
Hutapea-Silitonga, Gerda, author
Universitas Indonesia, 1995
UI - Tesis (Membership)
Marcus, Phillip L.
Macmillan, 1992
Buku Teks