Australia : Playhouse Press
Majalah, Jurnal, Buletin
Steele, James, author
Academy Editions, 1996
Buku Teks
Jones, Margo, author
McGraw-Hill, 1965
Buku Teks
Estell, Kenneth
Visible Ink Press, 1994
Buku Teks
by Colin M. Turnbull
Simon and schuster, 1962
Buku Teks