Dyfyniad APA

Shapere, D. (1965). Philosophical problems of natural science. Macmillan.

Dyfyniad Arddull Chicago

Shapere, Dudley. Philosophical Problems of Natural Science. New York: Macmillan, 1965.

Dyfyniad MLA

Shapere, Dudley. Philosophical Problems of Natural Science. Macmillan, 1965.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.