Wilshere, D. (1970). Some economic and organisational aspects of European research and development effectiveness. Herbert Lang.
Lua i Stíl Chicago (17ú heag.)Wilshere, David. Some Economic and Organisational Aspects of European Research and Development Effectiveness. Berne: Herbert Lang, 1970.
Lua MLA (8ú heag.)Wilshere, David. Some Economic and Organisational Aspects of European Research and Development Effectiveness. Herbert Lang, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.