Thompson, W. (1953). Population problems (5th.). Tata McGraw Hill.
Cita Chicago Style (17a ed.)Thompson, Warren. Population Problems. 5th. NULL: Tata McGraw Hill, 1953.
Cita MLA (9a ed.)Thompson, Warren. Population Problems. 5th. Tata McGraw Hill, 1953.
Precaución: Estas citas no son 100% exactas.