Frank, P. (1957). Philosophy of science.
Dyfyniad Arddull ChicagoFrank, Philipp. Philosophy of Science. 1957.
Dyfyniad MLAFrank, Philipp. Philosophy of Science. 1957.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
Frank, P. (1957). Philosophy of science.
Dyfyniad Arddull ChicagoFrank, Philipp. Philosophy of Science. 1957.
Dyfyniad MLAFrank, Philipp. Philosophy of Science. 1957.