International Economic History Association. & O'Brien, P. K. (1986). International Productivity Comparisons and Problems of Measurement, 1750-1939: 9th Congress of the International Economic History Association, Berne 1986. International Economic History Association.
Cita Chicago Style (17a ed.)International Economic History Association. y Patrick Karl O'Brien. International Productivity Comparisons and Problems of Measurement, 1750-1939: 9th Congress of the International Economic History Association, Berne 1986. Bern: International Economic History Association, 1986.
Cita MLA (9a ed.)International Economic History Association. y Patrick Karl O'Brien. International Productivity Comparisons and Problems of Measurement, 1750-1939: 9th Congress of the International Economic History Association, Berne 1986. International Economic History Association, 1986.
