Fitzgerald, P.J.
Sweet & Maxwell, 1966
Buku Teks
Purnawidhi W. Purbacaraka, author
Alumni, 1986
Buku Teks
Chinhengo, Austin M.
Cavendish Publishing, 1995
Buku Teks
Paton, George Whitecross
The Clarendon Press, 1955
Buku Teks
Lie, Oen Hock, author
Universitas Indonesia, 1959
Buku Teks