Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1963
UI - Skripsi (Membership)
Couto, Maria
St. Martin's Press, 1988
Buku Teks
Shakespeare, William, 1564-1616
Noble and Noble Publishers, 1963
Buku Teks
Harvard Business School Press, 1991
Buku Teks
Adamson, Judith
Macmillan, 1994
Buku Teks