Vaccaro, L. C., & Covert, J. T. (1969). Student freedom in American higher education. Teachers College Press.
Dyfyniad Arddull ChicagoVaccaro, Louis C., and James Thayne Covert. Student Freedom in American Higher Education. [New York]: Teachers College Press, 1969.
Dyfyniad MLAVaccaro, Louis C., and James Thayne Covert. Student Freedom in American Higher Education. Teachers College Press, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.