Halper, S. A., & Clarke, J. (2004). America alone: The neo-conservatives and the global order. Cambridge University Press.

Halper, Stefan A., and Jonathan Clarke. America Alone: The Neo-conservatives and the Global Order. Cambridge ; New York: Cambridge University Press, 2004.

Halper, Stefan A., and Jonathan Clarke. America Alone: The Neo-conservatives and the Global Order. Cambridge University Press, 2004.