Purcell, E. A. (1973). The crisis of democratic theory: Scientific naturalism & the problem of value. University Press of Kentucky.
Dyfyniad Arddull ChicagoPurcell, Edward A. The Crisis of Democratic Theory: Scientific Naturalism & the Problem of Value. [Lexington]: University Press of Kentucky, 1973.
Dyfyniad MLAPurcell, Edward A. The Crisis of Democratic Theory: Scientific Naturalism & the Problem of Value. University Press of Kentucky, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.