Longman, 1998
Buku Teks SO
Gor`kiy, Aleksey Maksimovich
Foreign Languages Publishing House, [date of publication not identified]
Buku Teks SO
Green, H. M.
Angus & Robertson , 1984
Buku Teks SO
Oxford University Press, 1981
Koleksi Publik
Lawson, Henry, 1867-1922
University of Queensland Press, 1976
Buku Teks SO