ബി ബാലഗോപാല് & B Balagopal. (1991). അന്വേഷണത്തിന്റെ ആരംഭം (1st.). B Balagopal (Name of the Publisher).
Trích dẫn kiểu Chicagoബി ബാലഗോപാല് và B Balagopal. അന്വേഷണത്തിന്റെ ആരംഭം. 1st. B Balagopal (Name of the Publisher), 1991.
Trích dẫn MLAബി ബാലഗോപാല് và B Balagopal. അന്വേഷണത്തിന്റെ ആരംഭം. 1st. B Balagopal (Name of the Publisher), 1991.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.