APA استشهاد

Dooley, D. (2003). Social research methods (3rd ed.). Pearson Education.

استشهاد بنمط شيكاغو

Dooley, David. Social Research Methods. 3rd ed. New Delhi: Pearson Education, 2003.

MLA استشهاد

Dooley, David. Social Research Methods. 3rd ed. Pearson Education, 2003.