Oates, Wallace E.
Edward Elgar, 2011
Buku Teks
Sawer, Geoffrey, 1910-1996
Melbourne University Press, 1967
Buku Teks
Greenwood, Gordon, 1913-1986
University of Queensland, 1976
Buku Teks
edited by Allan Gotlieb
Canadian Institute of International Affairs, 1970
Buku Teks SO
Scott, F.R. (Francis Reginald)
Published in co-operation with Carleton University by University of Toronto Press, 1959
Buku Teks SO