Hall, Rodney, author
University of Queensland, 1972
Buku Teks
Bulfinch, Thomas, author
Dolphin Books, [date of publication not identified]
Buku Teks
Phythian, B. A., author
Hodder & Stoughton, 1993
Buku Referensi
Brewer, E. Cobham, author
New York, Harper Brothers
Buku Referensi
revised by Ivor H. Evans
Cassell & Company, 1975
Buku Referensi