Keeley, Joseph C.
Making inventions pay a practical guide to selling, protecting, manufacturing, and marketing your inventions
McGraw-Hill Book Company, Inc. , 1950
 Buku Teks
Schmookler, Jacob
Patents, invention, and economic change data and selected essays/ Jacob Schmookler
Harvard University Press, 1972
 Buku Teks
Petroski, Henry
The Evalution of useful things
Vintage Books , 1994
 Buku Teks
Inventors and discoverers : changing our world
National Geographic Book Service
National Geographic Society, 1988
 Buku Referensi
Hickman, Bert G.
Quantitative planning of economic policy a conference of the social science research council committee on economic stability
The Brooking Institution , 1965
 Buku Teks