editor-publisher, Hack-cho Mah
Asia PR Center, 1975
Buku Teks
Alford, B.W.E., author
Macmillan, 1988
Buku Teks
Endres, Elisabeth
Frankfurt Fischer Taschenbuch verlag GmbH 1975
Buku Teks
Purbasari, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1999
UI - Skripsi (Membership)
Endres, Elisabeth
Taschenbuch Verlag, 1975
Buku Teks