Tilley, J., Garry, J., & Matthews, N. (2019). The evolution of party policy and cleavage voting under power-sharing in Northern Ireland. Cambridge University Press.

Tilley, J., J. Garry, and N. Matthews. The Evolution of Party Policy and Cleavage Voting Under Power-sharing in Northern Ireland. Cambridge University Press, 2019.

Tilley, J., et al. The Evolution of Party Policy and Cleavage Voting Under Power-sharing in Northern Ireland. Cambridge University Press, 2019.