edited by Gordon Greenwood
Angus & Robertson, 1978
Buku Teks
Barnard, Marjorie
Angus and Robertson, 1962
Buku Teks
Barnard, Marjorie
Frederick A. Praeger, 1966
Buku Teks
edited by F.K. Crowley
Heinemann, 1984
Buku Teks
edited by F.K. Crowley
William Heinemann, 1974
Buku Teks