Alderson, W. e. (1965). Patents and progress; the sources and impact of advancing technology. R. D. Irwin.
Lua i Stíl Chicago (17ú heag.)Alderson, Wroe ed. Patents and Progress; the Sources and Impact of Advancing Technology. Homewood, Ill: R. D. Irwin, 1965.
Lua MLA (9ú heag.)Alderson, Wroe ed. Patents and Progress; the Sources and Impact of Advancing Technology. R. D. Irwin, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.