Dyfyniad APA

Obrien, D. (1969). Empedocle's cosmic cycle; a reconstruction from the fragments and secondary sources.

Dyfyniad Arddull Chicago

Obrien, D. Empedocle's Cosmic Cycle; a Reconstruction from the Fragments and Secondary Sources. 1969.

Dyfyniad MLA

Obrien, D. Empedocle's Cosmic Cycle; a Reconstruction from the Fragments and Secondary Sources. 1969.

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