Cita APA

Sundharam, K. P. M. V. (1973). Principles of economics (12.).

Citación estilo Chicago

Sundharam, K P M; Vaish. Principles of Economics. 12. Vikas Publishing House Pvt. Ltd., New Delhi, 1973.

Cita MLA

Sundharam, K P M; Vaish. Principles of Economics. 12. 1973.