Ingpen, Robert
Encyclopedia of ideas that changed the world : the greatest discoveries and inventions of human history
Dragon's World, 1993
 Buku Referensi
Bukti visual penemuan planer pada bintang fomalhaut
 Artikel Jurnal
Ewald, Helen Rothschild
Writing as process : invention and convention / Helen Rothschild Ewald
Charles E. Merrill Publishing Company, 1983
 Buku Teks
Deng, Yinke
Ancient Chinese invention : thousands of years of science and technology
China Intercontinental Press, 2010
 Buku Teks
Kalashnikov, Mikhail
The gun that changed the world
Polity Press, 2007
 Buku Teks