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
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The international who's who 1997-98
Europa Publication Limited, 1998
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The international who's who 1987-88
Europa Publication Limited, 1988
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The international who's who 1994-95
Europa Publication Limited, 1994
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