Steele, James, author
Academy Editions, 1996
Buku Teks
Bowers, Faubion, author
Hermitage House, 1952
Buku Teks
Australia : Playhouse Press
Majalah, Jurnal, Buletin
Steele, James, author
Academy Editions, 1996
Buku Teks
Jones, Margo, author
McGraw-Hill, 1965
Buku Teks