Blamires, Harry, author
Routledge, 1994
Buku Teks
Gwynn, Stephen, author
Macmillan, 1950
Buku Teks
F.X. Adji Samekto, author
Gramedia, 1976
Buku Teks
edited by Richard S. Beal and Jacob Korg
Prentice-Hall, 1962
Buku Teks
edited by Richard S. Beal and Jacob Korg
Prentice-Hall, 1966
Buku Teks