translated by Xu Yuan
China Intercontinental Press, 2006
Buku Teks
Ati Ismail, editor
Yayasan Ananda, 1995
Buku Referensi
Chicago : The Modern Poetry Association
Majalah, Jurnal, Buletin
Marcucci, Luisa, author
Studio Books , 1960
Buku Referensi
Watson Guptill Publications, 2002
Buku Teks