APA (7th ed.) Zitazioa
Standing, E. M. Maria Montessori: Her Life and Work. Plume.
Chicago Style (17th ed.) Zitazioa
Standing, E. Mortimer. Maria Montessori: Her Life and Work. Nueva York, EUA: Plume.
MLA (9th ed.) Zitazioa
Standing, E. Mortimer. Maria Montessori: Her Life and Work. Plume.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.