Sawer, Geoffrey, 1910-1996, author
Clarendon Press, 1965
Buku Teks
Frank, Jerome
Brentano’s, 1949
Buku Teks
Gardner, John, author
Oxford Univesity Press, 2014
Buku Teks
Gutteridge, H. C.
Cambridge University Press, 1949
Buku Teks
Johnson, Alvin S., author
Rineka Cipta, 2004
Buku Teks