Roeder, O. G.
Who's who in Indonesian
Gunung Agung, 1971
Buku Referensi
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