Newell, R. S. (1972). The politics of Afghanistan. Cornell University Press.
Lua i Stíl Chicago (17ú heag.)Newell, Richard S. The Politics of Afghanistan. Ithaca [N.Y.]: Cornell University Press, 1972.
Lua MLA (9ú heag.)Newell, Richard S. The Politics of Afghanistan. Cornell University Press, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.