editor Martha Thorne [and others]
Harry N. Abrams, INC, Publisher, 1999
Buku Teks
Swiggett, Howard
New York: Ballantine Books, 1954
Buku Teks
Artikel Jurnal
Nobel Prize Series
International Merchandising Corporation, 1997
Buku Referensi
Michael Worek, editor
Firefly Books Ltd., 2008
Buku Teks