Thompson, W. (1953). Population problems (5th.). Tata McGraw Hill.
Cita Chicago (17th ed.)Thompson, Warren. Population Problems. 5th. NULL: Tata McGraw Hill, 1953.
Cita MLA (9th ed.)Thompson, Warren. Population Problems. 5th. Tata McGraw Hill, 1953.
Atenció: Aquestes cites poden no estar 100% correctes.