Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.