Cita APA (7th ed.)

Sundharan, K. (1975). Principles of economics (11th.). Vikas.

Cita Chicago (17th ed.)

Sundharan, K. Principles of Economics. 11th. Delhi: Vikas, 1975.

Cita MLA (9th ed.)

Sundharan, K. Principles of Economics. 11th. Vikas, 1975.