University of Melbourne, 1988
Buku Teks
Ipik Ernaka, author
2007
UI - Tesis (Membership)
Wright, Judith, author
Lansdowne Press, 1963
Buku Teks
Symons, Julian, author
Arthur Barker, 1951
Buku Teks
Fielding, K.J., author
Longman, Green, 1953
Buku Teks