Aggrawal, J. C. (1985). Theory and principles in education: Philosophical and sociological bases of education. Vikas Pub. House.
Lua i Stíl Chicago (17ú heag.)Aggrawal, J C. Theory and Principles in Education: Philosophical and Sociological Bases of Education. New Delhi: Vikas Pub. House, 1985.
Lua MLA (8ú heag.)Aggrawal, J C. Theory and Principles in Education: Philosophical and Sociological Bases of Education. Vikas Pub. House, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.