Allen, G. W. (1971). A readerʹs guide to Walt Whitman (Reprinted.). New York: Octagon books.
Dyfyniad Arddull ChicagoAllen, Gay Wilson. A Readerʹs Guide to Walt Whitman. Reprinted. New York: Octagon books, 1971.
Dyfyniad MLAAllen, Gay Wilson. A Readerʹs Guide to Walt Whitman. Reprinted. New York: Octagon books, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.