APA
Venkata Ratnam C. S. P. I. I. R. A., . (2000). Trade union challenges at the beginning of the 21st century. New Delhi: Excel Books.
Chicago
Venkata Ratnam C.S Sinha Pravin Indian Industrial Relation Ass, . 2000. Trade union challenges at the beginning of the 21st century. New Delhi: Excel Books.
Harvard
Venkata Ratnam C. S. P. I. I. R. A., . (2000). Trade union challenges at the beginning of the 21st century. New Delhi: Excel Books.
MLA
Venkata Ratnam C.S Sinha Pravin Indian Industrial Relation Ass, . Trade union challenges at the beginning of the 21st century. New Delhi: Excel Books. 2000.
