Zulfinur, author
Universitas Indonesia, 1990
UI - Skripsi (Membership)
Sophocles, author
The New American Library, 1959
Buku Teks
O`neill, Eugene, author
Penguin Books, 1970
Buku Teks
York Penguin Book , 1965
Buku Teks
Oakley, Barry
Currency Press, 1975
Buku Teks