Nearing, S. (1961). Freedom: Promise and menace. Social Science Institute.
Dyfyniad Arddull ChicagoNearing, Scott. Freedom: Promise and Menace. Maine: Social Science Institute, 1961.
Dyfyniad MLANearing, Scott. Freedom: Promise and Menace. Social Science Institute, 1961.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.