Leifer, Michael
Sijthoff and Noordhoff, 1978
Buku Teks
Leifer, Michael
London Routledge 2001,
Buku Referensi
Meaney, Neville Kingsley
University Press , 1976
Buku Teks
Meaney, Neville Kingsley
Sydney University Press, 1976.
Buku Teks
Sheehan, Michael
Lynne Rienner Publishers, 2005
Buku Teks