Whitman, W. (1986). The Portable Walt Whitman (Rev. and enl. ed.). Penguin Books.
Chicago Style (17th ed.) ZitazioaWhitman, Walt. The Portable Walt Whitman. Rev. and enl. ed. New York: Penguin Books, 1986.
MLA (9th ed.) ZitazioaWhitman, Walt. The Portable Walt Whitman. Rev. and enl. ed. Penguin Books, 1986.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.