The International authors and writers who's who
International Biographical centre, 1986
 Buku Referensi
The international authors and writers who's who
editorial director, Ernest Ka
International Biographical Centre, 1986.
 Buku Referensi
Who's who of Australian children's writers
Thorpe in association with the National Centre for Australian Studies, 1992
 Buku Teks
The international who's who, 2008.
Routledge, 2007
 Buku Teks
The international who's who 1997-98
Europa Publication Limited, 1998
 Buku Referensi
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