BARCLAY, G. W. (1958). Techniques of population analysis. John Wiley.
Cita Chicago (17th ed.)BARCLAY, George W. Techniques of Population Analysis. New Work: John Wiley, 1958.
Cita MLA (9th ed.)BARCLAY, George W. Techniques of Population Analysis. John Wiley, 1958.
Atenció: Aquestes cites poden no estar 100% correctes.