APA (7th ed.) Zitazioa
Laubheim, C. (1988). Just - Writing (4th ed.). kh.
Chicago Style (17th ed.) Zitazioa
Laubheim, Charles. Just - Writing. 4th ed. lowa: kh, 1988.
MLA (9th ed.) Zitazioa
Laubheim, Charles. Just - Writing. 4th ed. kh, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.