Butterfield, S., & Riding, R. (1990). Assessment and examination in the secondary school: A practical guide for teachers and trainers. Routledge.
Dyfyniad Arddull ChicagoButterfield, Sue, and Richard Riding. Assessment and Examination in the Secondary School: A Practical Guide for Teachers and Trainers. London: Routledge, 1990.
Dyfyniad MLAButterfield, Sue, and Richard Riding. Assessment and Examination in the Secondary School: A Practical Guide for Teachers and Trainers. Routledge, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.