Alexandre, Melo
Lisboa : Betrand Editora, 2007
Buku Teks
Dickins, James, author
Routledge, 2002
Buku Teks
Zollner, Frank, author
Taschen, 2011
Buku Referensi
Jaderstrom, Susan, author
McGraw-Hill Glencoe, 2003
Buku Teks
edited by Elaine Treharne ... [etal]
Humanities Press, 1992
Buku Teks