edited by Gordon Greenwood
Angus & Robertson, 1978
Buku Teks
Crawford, R. M.
Hutchinson University Library, 1963
Buku Teks
Scott, Ernest
Oxford University Press, 1920
Buku Teks
Ward, Russel, author
Macmillan, 1987
Buku Teks
Melbourne, A. C. V.
University of Queensland Press, 1963
Buku Teks