Cita APA

Singh, S. (2011). Geography for State Civil Services and other competitive examinations. Mc Graw Hill.

Citación estilo Chicago

Singh, Surender. Geography for State Civil Services and Other Competitive Examinations. New Delhi: Mc Graw Hill, 2011.

Cita MLA

Singh, Surender. Geography for State Civil Services and Other Competitive Examinations. Mc Graw Hill, 2011.