Whitcomb Riley, J. (1946). Poems and ballads. Pocket Books.
Cita Chicago Style (17a ed.)Whitcomb Riley, James. Poems and Ballads. New York, Estados Unidos: Pocket Books, 1946.
Cita MLA (9a ed.)Whitcomb Riley, James. Poems and Ballads. Pocket Books, 1946.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.