APA
das s., . (1996). amanual on clinical surgery. calcutta: the author.
Chicago
das somen, . 1996. amanual on clinical surgery. calcutta: the author.
Harvard
das s., . (1996). amanual on clinical surgery. calcutta: the author.
MLA
das somen, . amanual on clinical surgery. calcutta: the author. 1996.
