edited by M. Cary
Clarendon Press, 1950
Buku Referensi
Green, Peter, translator
Thames and Hudson , 1989
Buku Teks
Thomson, J Oliver
JM Dent & Sons , 1961
Buku Teks
Cotterell, John, author
Lorenz Books, 2000
Buku Referensi
Moncrieff, A.R. Hope, author
Gramercy Books, 1995
Buku Referensi