APA (7e ed.) Bronvermelding

Sadhukhan, S. K. (1994). Economic geography: An appraisal of resources (Fourth edition.). S. Chand & Co.

Chicago (17e ed.) Bronvermelding

Sadhukhan, S K. Economic Geography: An Appraisal of Resources. Fourth edition. New Delhi: S. Chand & Co, 1994.

MLA (8e ed.) Bronvermelding

Sadhukhan, S K. Economic Geography: An Appraisal of Resources. Fourth edition. S. Chand & Co, 1994.