Bell, J., & Opie, C. (2002). Learning from research: Getting more from data. Open University Press.
Dyfyniad Arddull ChicagoBell, Judith, and Clive Opie. Learning from Research: Getting More from Data. Buckingham: Open University Press, 2002.
Dyfyniad MLABell, Judith, and Clive Opie. Learning from Research: Getting More from Data. Open University Press, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.