Aggarwal, J. (1982). Theory and principles of education (2nd.). Vikas.
Chicago-čujuhus (17. p.)Aggarwal, J. Theory and Principles of Education. 2nd. New Delhi: Vikas, 1982.
MLA-čujuhus (9. p.)Aggarwal, J. Theory and Principles of Education. 2nd. Vikas, 1982.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.