Sarkar,, A. (1997). Practical geography: A systematic approach. Orient Longman.
Citación estilo ChicagoSarkar,, Ashis. Practical Geography: A Systematic Approach. New Delhi: Orient Longman, 1997.
Cita MLASarkar,, Ashis. Practical Geography: A Systematic Approach. Orient Longman, 1997.
Warning: These citations may not always be 100% accurate.