Bry, G. (1959). The average workweek as an economic indicator. National Bureau of Economic Research.
Chicago Style (17. basım) AtıfBry, Gerhard. The Average Workweek as an Economic Indicator. [New York]: National Bureau of Economic Research, 1959.
MLA (8th ed.) AtıfBry, Gerhard. The Average Workweek as an Economic Indicator. National Bureau of Economic Research, 1959.
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