Taschen, 2011
Buku Referensi
the Australian Government Publishing Service,
Majalah, Jurnal, Buletin
Fowler, Peter J., author
Routledge, 1995
Buku Teks
Carroll, Janell L., author
Thomson Wadsworth, 2007
Buku Teks
edited by Patrick McNeill
Routledge , 2003
Buku Teks