Almond, G. A. 1., Brinton, C. C. 1., Brown, B., Bush, R. C. 1., Byrnes, R. F. 1., & Macridis, R. C. 1. (1986). Comparative politics: Notes and readings (Sixth edition.). Chicago, Illinois: The Dorsey Press.

Almond, Gabriel Abraham 1911-2002, Clarence Crane 1898-1968 Brinton, Bernard Brown, Richard C. 1947- Bush, Robert Francis 1917-1997 Byrnes, and Roy C. 1918- Macridis. Comparative Politics: Notes and Readings. Sixth edition. Chicago, Illinois: The Dorsey Press, 1986.

Almond, Gabriel Abraham 1911-2002, et al. Comparative Politics: Notes and Readings. Sixth edition. Chicago, Illinois: The Dorsey Press, 1986.