Shanks, M. (1967). The innovators: The economics of technology. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Shanks, Michael. The Innovators: The Economics of Technology. Middlesex, England: Penguin Books, 1967.
Lua MLA (9ú heag.)Shanks, Michael. The Innovators: The Economics of Technology. Penguin Books, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.