Allen, J. A. (1967). Scientific innovation and industrial prosperity. Elsevier.
Lua i Stíl Chicago (17ú heag.)Allen, James Albert. Scientific Innovation and Industrial Prosperity. Amsterdam: Elsevier, 1967.
Lua MLA (9ú heag.)Allen, James Albert. Scientific Innovation and Industrial Prosperity. Elsevier, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.