Bergmann, G. (1964). Logic and reality. University of Wisconsin Press.
Dyfyniad Arddull ChicagoBergmann, Gustav. Logic and Reality. Madison: University of Wisconsin Press, 1964.
Dyfyniad MLABergmann, Gustav. Logic and Reality. University of Wisconsin Press, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.