Bobrow, D. B., & Boyer, M. A. (2005). Defensive internationalism: Providing public goods in an uncertain world. University of Michigan Press.

Bobrow, Davis B., and Mark A. Boyer. Defensive Internationalism: Providing Public Goods in an Uncertain World. Ann Arbor: University of Michigan Press, 2005.

Bobrow, Davis B., and Mark A. Boyer. Defensive Internationalism: Providing Public Goods in an Uncertain World. University of Michigan Press, 2005.