Jayasena, A. I. (1959). Changes in the population distribution of Ceylon and regional economic development, 1911-1953.
Cita Chicago (17th ed.)Jayasena, Amara Indrani. Changes in the Population Distribution of Ceylon and Regional Economic Development, 1911-1953. 1959.
Cita MLA (9th ed.)Jayasena, Amara Indrani. Changes in the Population Distribution of Ceylon and Regional Economic Development, 1911-1953. 1959.
Atenció: Aquestes cites poden no estar 100% correctes.