Artikel Jurnal
Barrett, Tracy C, author
I.B. Tauris, 2012
Buku Teks
general editor, Lynn Pan
Archipelago Press; Landmark Book, 1998
Buku Referensi
Fitzgerald, Stephen
Cambridge University Press, 1972
Buku Teks
Mackerras, Colin, author
Longman Cheshire, 1994
Buku Teks