(1980). New directions for teaching and learning. Jossey-Bass.
Dyfyniad Arddull ChicagoNew Directions for Teaching and Learning. San Francisco: Jossey-Bass, 1980.
Dyfyniad MLANew Directions for Teaching and Learning. Jossey-Bass, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.