Law, Stephen, author
Quersus, 2013
Buku Teks
editorial director, Ernest Ka
International Biographical Centre, 1986.
Buku Referensi
Routledge, Taylor & Francis Group, 2007
Buku Referensi
Routledge, 2007
Buku Teks
Europa Publication Limited, 1988
Buku Referensi