APA استشهاد

Dooley,David. (2007). Social Research Methods (4th ed.). Prentice-hall.

استشهاد بنمط شيكاغو

Dooley,David. Social Research Methods. 4th ed. New Delhi: Prentice-hall, 2007.

MLA استشهاد

Dooley,David. Social Research Methods. 4th ed. Prentice-hall, 2007.