Keene, Michael, author
Kanisius, 2006
Buku Teks
Shaw, Bernard, 1856-1950, author
Penguin Books , 1951
Buku Teks
Hughes, Gerard J.
Routledge, 1995
Buku Teks
Trobisch, Walter
Yayasan Komunikasi Bina Kasih/OMF, 1986
Buku Teks
White, Ellen G., author
Indonesia Publishing House, 2009
Buku Teks