APA استشهاد

Heywood, A. Political ideologies (4th ed.). Palgrave- Macmillan.

استشهاد بنمط شيكاغو

Heywood, Andrew. Political Ideologies. 4th ed. New Delhi: Palgrave- Macmillan.

MLA استشهاد

Heywood, Andrew. Political Ideologies. 4th ed. Palgrave- Macmillan.