Fox, K. A., Sengupta, J., & Thorbecke, E. (1973). The theory of quantitative economic policy with applications to economic growth, stabilization and planning (2nd rev. ed.). North-Holland Pub.

Fox, Karl August, Jatikumar Sengupta, and Erik Thorbecke. The Theory of Quantitative Economic Policy with Applications to Economic Growth, Stabilization and Planning. 2nd rev. ed. Amsterdam: North-Holland Pub, 1973.

Fox, Karl August, et al. The Theory of Quantitative Economic Policy with Applications to Economic Growth, Stabilization and Planning. 2nd rev. ed. North-Holland Pub, 1973.