APA aipamena

Barry, N. P. (1989). An introduction to modern political theory. Macmillan.

Chicago Style aipamena

Barry, Norman P. An Introduction to Modern Political Theory. Houndmills, Basingstoke, Hampshire: Macmillan, 1989.

MLA aipamena

Barry, Norman P. An Introduction to Modern Political Theory. Macmillan, 1989.