Eijffinger, S. C. W., & Huizinga, H. (1998). Positive political economy: Theory and evidence. Cambridge University Press.
Chicago-viite (17. p.)Eijffinger, Sylvester C. W., ja Harry Huizinga. Positive Political Economy: Theory and Evidence. Cambridge ; New York: Cambridge University Press, 1998.
MLA-viite (9. p.)Eijffinger, Sylvester C. W., ja Harry Huizinga. Positive Political Economy: Theory and Evidence. Cambridge University Press, 1998.