Neurath, O. Foundations of the <unity of science> toward an international encyclopaedia of <unified science>. Chicago.
Dyfyniad Arddull ChicagoNeurath, Otto. Foundations of the <unity of Science> Toward an International Encyclopaedia of <unified Science>. Chicago.
Dyfyniad MLANeurath, Otto. Foundations of the <unity of Science> Toward an International Encyclopaedia of <unified Science>. Chicago.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.