Brunei Press Sdn Bhd, 1999
Buku Referensi
Djoko Moeljo
Dahara Prize, 1993
Buku Teks SO
O`Connor, Paul, 1978-
Routledge, Taylor & Francis Group, 2018
Buku Teks
O`Hanlon, Redmond
Penguin Books , 1996
Buku Teks SO
Forster, Edward Morgan, 1879-1970
Vintage Books, 1962
Buku Teks