COX, P. R. (1976). Demography. 5th ed. University Press.
Cita Chicago (17th ed.)COX, Peter R. Demography. 5th Ed. Cambridge: University Press, 1976.
Cita MLA (9th ed.)COX, Peter R. Demography. 5th Ed. University Press, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.