Freeman, R., & Lewis, R. (1998). Planning and implementing assessment. Routledge.
Dyfyniad Arddull ChicagoFreeman, Richard, and Roger Lewis. Planning and Implementing Assessment. London: Routledge, 1998.
Dyfyniad MLAFreeman, Richard, and Roger Lewis. Planning and Implementing Assessment. Routledge, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.