Barendt, E. M., author
Oxford University Press, 1998
Buku Teks
Gilliat-Ray, Sophie, author
Cambridge University Press, 2010
Buku Teks
James, Philip S., author
Butterworth, 1959
Buku Teks
Dickey, Albert Venn, 1835-1922, author
Macmillan, 1985
Buku Teks
Dickey, Albert Venn, 1835-1922, author
Macmillan, 1950
Buku Teks