The International authors and writers who's who
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, Taylor & Francis Group, 2007
 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