APA
Sarkar J S,, . (1997). Trade marks law and practice. Calcutta: Kamal Law House.
Chicago
Sarkar J S,, . 1997. Trade marks law and practice. Calcutta: Kamal Law House.
Harvard
Sarkar J S,, . (1997). Trade marks law and practice. Calcutta: Kamal Law House.
MLA
Sarkar J S,, . Trade marks law and practice. Calcutta: Kamal Law House. 1997.