David, M., & Sutton, C. D. (2004). Social research: The basics. SAGE.
Dyfyniad Arddull ChicagoDavid, Matthew, and Carole D. Sutton. Social Research: The Basics. London: SAGE, 2004.
Dyfyniad MLADavid, Matthew, and Carole D. Sutton. Social Research: The Basics. SAGE, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.