APA
DAS S., . (2020). A CONCISE TEXTBOOK OF SURGERY. KOLKATA: SD.
Chicago
DAS SOMEN, . 2020. A CONCISE TEXTBOOK OF SURGERY. KOLKATA: SD.
Harvard
DAS S., . (2020). A CONCISE TEXTBOOK OF SURGERY. KOLKATA: SD.
MLA
DAS SOMEN, . A CONCISE TEXTBOOK OF SURGERY. KOLKATA: SD. 2020.