Who's who in America, (38th edition 1974-1975, vol.1-2)
Illinois USA, 1974
 Buku Referensi
Culture and arts year book [Korea] 1995
[T.t.] [t.p.] 1995
 Buku Referensi
Jahrbuch Deutsch als Fremdsprache Herausgeggeben von ... [et.al.]
Heidelberg : Julius Groos Verlag, 1975-1999
 Buku Teks
United Arab Emirates: yearbook 1997/editor Ibrahim Al Abed, Peter Hellyer, Paula Vine
London Trident Press 1997,
 Buku Referensi
Etudiants Indonesiens en France : annuaire 2007
Ambassade de France en Indonesie
Enrique Indonesia, 2007
 Buku Referensi
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