Aggarwal, J. (1982). Theory and principles of education (2nd.). Vikas.
Citazione stile Chigago Style (17a edizione)Aggarwal, J. Theory and Principles of Education. 2nd. New Delhi: Vikas, 1982.
Citatione MLA (9a ed.)Aggarwal, J. Theory and Principles of Education. 2nd. Vikas, 1982.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.