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 1984-85
Europe Publications Limited, 1984
 Buku Referensi
The international who's who, 2008.
Routledge, 2007
 Buku Teks