R R BARTHWAL. (2022). Industrial economics: An introductory textbook (4.). NEW AGE INTERNATIONAL PUBLISHERS.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)R R BARTHWAL. Industrial Economics: An Introductory Textbook. 4. New Delhi: NEW AGE INTERNATIONAL PUBLISHERS, 2022.
MLA -ийн эшлэл (9 дэх хэвлэлт)R R BARTHWAL. Industrial Economics: An Introductory Textbook. 4. NEW AGE INTERNATIONAL PUBLISHERS, 2022.