Tomlinson, R.A.
British Museum Press, 1995
Buku Teks
Hornblower, Simon
Routledge, Taylor & Francis Group, 2002
Buku Teks
Hazel, John
Routledge, 2000
Buku Teks
Hazel, John
Routledge, 2000
Buku Referensi
De Burgh, W.G. (William George), 1866-1943
Penguin Books, 1953
Buku Teks