Keats, J. (1999). The poems. London: David Campbell Publishers.
Dyfyniad Arddull ChicagoKeats, John. The Poems. London: David Campbell Publishers, 1999.
Dyfyniad MLAKeats, John. The Poems. London: David Campbell Publishers, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.