Cita APA (7th ed.)

Aggarwal, J. (1982). Theory and principles of education (2nd.). Vikas.

Cita Chicago (17th ed.)

Aggarwal, J. Theory and Principles of Education. 2nd. New Delhi: Vikas, 1982.

Cita MLA (9th ed.)

Aggarwal, J. Theory and Principles of Education. 2nd. Vikas, 1982.