Gilpin, R., & Gilpin, J. M. (2000). The challenge of Global Capitalism: The World Economy In The 21st Century. Princeton University.

Gilpin, Robert, and Jean Millis Gilpin. The Challenge of Global Capitalism: The World Economy In The 21st Century. United Kingdom: Princeton University, 2000.

Gilpin, Robert, and Jean Millis Gilpin. The Challenge of Global Capitalism: The World Economy In The 21st Century. Princeton University, 2000.