APA (7th ed.) Zitazioa
Singh, V. P. (2004). Education of the slow learners (ed.). Sarup & Sons.
Chicago Style (17th ed.) Zitazioa
Singh, V. Pratap. Education of the Slow Learners. ed. New Delhi: Sarup & Sons, 2004.
MLA (9th ed.) Zitazioa
Singh, V. Pratap. Education of the Slow Learners. ed. Sarup & Sons, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.