SpringerLink (Online service) & Bentley, G. (2011). European instructional lectures. Springer.
Lua i Stíl Chicago (17ú heag.)SpringerLink (Online service) agus George Bentley. European Instructional Lectures. Doredrecht, New York: Springer, 2011.
Lua MLA (9ú heag.)SpringerLink (Online service) agus George Bentley. European Instructional Lectures. Springer, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.