APA (7th ed.) Zitazioa
Kramer, S. (2010). Schools educational spaces. Braun Publishing.
Chicago Style (17th ed.) Zitazioa
Kramer, Sibylle. Schools Educational Spaces. New York: Braun Publishing, 2010.
MLA (9th ed.) Zitazioa
Kramer, Sibylle. Schools Educational Spaces. Braun Publishing, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.