APA (7th ed.) Zitazioa
Norwood, N. (2012). Gravel and hawk: Poems. Ohio University Press.
Chicago Style (17th ed.) Zitazioa
Norwood, Nick. Gravel and Hawk: Poems. Athens: Ohio University Press, 2012.
MLA (9th ed.) Zitazioa
Norwood, Nick. Gravel and Hawk: Poems. Ohio University Press, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.