APA (7th ed.) Zitazioa

Pratchett, T. (2005). Thud!: Novel of discworld. HarperTouch.

Chicago Style (17th ed.) Zitazioa

Pratchett, Terry. Thud!: Novel of Discworld. New York: HarperTouch, 2005.

MLA (9th ed.) Zitazioa

Pratchett, Terry. Thud!: Novel of Discworld. HarperTouch, 2005.