Shelley, P. B., & Jones, F. L. (1964). The letters of Percy Bysshe Shelley. Clarendon Press.
Dyfyniad Arddull ChicagoShelley, Percy Bysshe, and Frederick L. Jones. The Letters of Percy Bysshe Shelley. Oxford: Clarendon Press, 1964.
Dyfyniad MLAShelley, Percy Bysshe, and Frederick L. Jones. The Letters of Percy Bysshe Shelley. Clarendon Press, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.