APA aipamena

Hornby, N. (2006). A long way down. Penguin books.

Chicago Style aipamena

Hornby, Nick. A Long Way Down. London, England: Penguin books, 2006.

MLA aipamena

Hornby, Nick. A Long Way Down. Penguin books, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.