Sen, S. (1943). Land and its problems: Some regional investigation with special study on paddy cultivation. Visva-Bharati Santiniketan.
Cita Chicago (17th ed.)Sen, Sudhir. Land and Its Problems: Some Regional Investigation with Special Study on Paddy Cultivation. Calcutta: Visva-Bharati Santiniketan, 1943.
Cita MLA (9th ed.)Sen, Sudhir. Land and Its Problems: Some Regional Investigation with Special Study on Paddy Cultivation. Visva-Bharati Santiniketan, 1943.
Atenció: Aquestes cites poden no estar 100% correctes.