APA (7th ed.) Zitazioa
Sumner, P. (1995). Crosswords. The Women's Press.
Chicago Style (17th ed.) Zitazioa
Sumner, Penny. Crosswords. London: The Women's Press, 1995.
MLA (9th ed.) Zitazioa
Sumner, Penny. Crosswords. The Women's Press, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.