Sweet, H
Oxford Clarendon press 1950
Buku Teks
Phillip Pulsiano, Elaine Treharne, editor
Blackwell Publishing, 2008
Buku Teks
Lambert, Thomas, author
Oxford University Press, 2017
eBooks
Thomas Nelson and Sons, [date of publication not identified]
Buku Teks
Mitchell, Bruce, author
BlackWell, 1995
Buku Teks