Marjorie Howes, John Kelly, editor
Cambridge University Press, 2008
Buku Teks
Fraser, George Sutherland, 1915-
Published for the British Council and the National Book League by Longmans, 1965
Buku Teks
edited by Louis Untermeyer
Harcourt, Brace, 1950
Buku Teks
Chicago : The Modern Poetry Association
Majalah, Jurnal, Buletin
Shannon, George W. B.
Harper & Row , 1989
Buku Teks