(1974). New directions for institutional research. San Francisco: Jossey-Bass.
Dyfyniad Arddull ChicagoNew Directions for Institutional Research. San Francisco: Jossey-Bass, 1974.
Dyfyniad MLANew Directions for Institutional Research. San Francisco: Jossey-Bass, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.