Lua APA (7ú heag.)

Berlin, I., & Hardy, H. (2000). The power of ideas. Princeton University Press.

Lua i Stíl Chicago (17ú heag.)

Berlin, Isaiah, agus Henry Hardy. The Power of Ideas. Princeton: Princeton University Press, 2000.

Lua MLA (9ú heag.)

Berlin, Isaiah, agus Henry Hardy. The Power of Ideas. Princeton University Press, 2000.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.