APA
Hesse J. J., Johnson N., . (1995). Constitutional policy and change in Europe. Oxford: Oxford University Press.
Chicago
Hesse Joachim Jens, Johnson Nevil, . 1995. Constitutional policy and change in Europe. Oxford: Oxford University Press.
Harvard
Hesse J. J., Johnson N., . (1995). Constitutional policy and change in Europe. Oxford: Oxford University Press.
MLA
Hesse Joachim Jens, Johnson Nevil, . Constitutional policy and change in Europe. Oxford: Oxford University Press. 1995.