APA aipamena

Heaney, S. (1993). Wintering out.

Chicago Style aipamena

Heaney, Seamus. Wintering Out. London, Faber&Faber, 1993.

MLA aipamena

Heaney, Seamus. Wintering Out. 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.