Hazel, John
Who's Who in the Greek World
Routledge, 2000
 Buku Teks
The international who's who, 2008.
Routledge, 2007
 Buku Teks
Who's who in health care
Hanover Pub.,, 1981
 Buku Referensi
The international who's who 1997-98
Europa Publication Limited, 1998
 Buku Referensi
The international who's who 1987-88
Europa Publication Limited, 1988
 Buku Referensi