Fuller, Lon L.
Penguin Books, 1971
Buku Teks
Diamond, A. S. (Arthur Sigismund), author
Johnson`s, 1950
Buku Teks
Sawer, Geoffrey, 1910-1996, author
Clarendon Press, 1965
Buku Teks
Nussbaum, Arthur, author
Macmillan, 1958
Buku Teks
Tellegen-Couperus, Olga, author
Routledge, 1993
Buku Teks