Mangal, S. (1994). Advanced educational psychology. Prentice -Hall of India.
Lua i Stíl Chicago (17ú heag.)Mangal, S.K. Advanced Educational Psychology. New Delhi: Prentice -Hall of India, 1994.
Lua MLA (9ú heag.)Mangal, S.K. Advanced Educational Psychology. Prentice -Hall of India, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.