Barthwal, R. R. (2010). Industrial economics: :an introductory textbook. New age International.
Čikaški stil citiranjaBarthwal, R R. Industrial Economics: :an Introductory Textbook. New Delhi: New age International, 2010.
MLA način citiranjaBarthwal, R R. Industrial Economics: :an Introductory Textbook. New age International, 2010.
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