The international who's who 1997-98
Europa Publication Limited, 1998
Buku Referensi
The international who's who 1994-95
Europa Publication Limited, 1994
Buku Referensi
The international who's who of women
Europa Publication Limited, 1992
Buku Referensi
The international who's who 1992-93
Europa Publication Limited, 1994
Buku Referensi
Roeder, O. G.
Who's who in Indonesian
Gunung Agung, 1980
Buku Referensi