Watson, William, author
London the Studio, 1959
Buku Referensi
Midgley, Barry, editor
Chartwell Books, 1982.
Buku Referensi
Cochrane, James C., author
David & Charles , 2008
Buku Teks
Molesworth, H.D.
Praeger, 1963
Buku Teks
Kim, Ri-na, 1942-, author
Hollym International Corp, 2007
Buku Teks