Hazel, John
Who's Who in the Greek World
Routledge, 2000
Buku Teks
The international who's who, 2008.
Routledge, 2007
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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