Sauvy, A. (1969). General theory of population. Weidenfeld & Nicolson.
Cita Chicago Style (17a ed.)Sauvy, Alfred. General Theory of Population. London: Weidenfeld & Nicolson, 1969.
Cita MLA (9a ed.)Sauvy, Alfred. General Theory of Population. Weidenfeld & Nicolson, 1969.
Precaución: Estas citas no son 100% exactas.