Frost, R., & Graves, R. (1963). Selected Poems of Robert Frost. Holt.
Dyfyniad Arddull ChicagoFrost, Robert, and Robert Graves. Selected Poems of Robert Frost. New York: Holt, 1963.
Dyfyniad MLAFrost, Robert, and Robert Graves. Selected Poems of Robert Frost. Holt, 1963.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.