Williams, Basil
Oxford University, 1945
Buku Klasik
Zumthor, Peter
[publisher not identified], 1998
Buku Teks
Gauzin-Muller, Dominique
2002
Buku Teks
Williamson, J.A.
Macmillan, 1965
Buku Teks
Christopher Bayly, editor
acts On File Book, 1989
Buku Referensi