edited by Valentine Cunningham
West Sussex Wiley Blackwell, 2014
Buku Teks
Daley, Victor
Angus & Robertson, 1963
Koleksi Publik
Reeves, James, author
William Heinemann , 1961
Buku Teks
Oxford University Press , 1961
Buku Teks
edited by Susan Hampton and Kate Llewellyn
Penguin Books, 1986
Buku Teks