Charles, K. (1983). Total development. Vikas Pub. H.
Cita Chicago (17th ed.)Charles, K. Total Development. New Delhi: Vikas Pub. H, 1983.
Cita MLA (9th ed.)Charles, K. Total Development. Vikas Pub. H, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.