N.S.R. Kanaththe. (2017). Learn bengali in 30 days (30 naatkalil wangala bashai) (Tenth edition.). Balaji Publications.
Cita Chicago (17th ed.)N.S.R. Kanaththe. Learn Bengali in 30 Days (30 Naatkalil Wangala Bashai). Tenth edition. Chennai: Balaji Publications, 2017.
Cita MLA (9th ed.)N.S.R. Kanaththe. Learn Bengali in 30 Days (30 Naatkalil Wangala Bashai). Tenth edition. Balaji Publications, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.