Hughes, Langston
Rinehart & Company, INC, 1956
Buku Teks
Hughes, Langston
New York Rinehart & Company 1956
Buku Teks
Atka Savitri, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1988
UI - Skripsi (Membership)
Raine, Kathleen, 1908-2003
The British Council by Longmans, Green, 1965
Buku Teks
Forster, John, author
Cambridge University Press, 2011
Buku Teks