APA (7th ed.) Zitazioa
Kampa, S. (2011). Cracks in the invisible: Poems. Ohio University Press.
Chicago Style (17th ed.) Zitazioa
Kampa, Stephen. Cracks in the Invisible: Poems. Athens: Ohio University Press, 2011.
MLA (9th ed.) Zitazioa
Kampa, Stephen. Cracks in the Invisible: Poems. Ohio University Press, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.