APA (7th ed.) Zitazioa

National research council. (1996). National science education standards. National Academy press.

Chicago Style (17th ed.) Zitazioa

National research council. National Science Education Standards. United States: National Academy press, 1996.

MLA (9th ed.) Zitazioa

National research council. National Science Education Standards. National Academy press, 1996.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.