Russell Sage foundation, New York, Hurlin, R. G., & Berridge, W. A. (1926). Employment statistics for the United States; a plan for their national collection and handbook of methods recommended by the Committee on governmental labor statistics of the American statistical association, edited by Ralph G. Hurlin...and William A. Berridge. Russell Sage foundation.
Chicago-referens (17:e uppl.)Russell Sage foundation, New York, Ralph Gibney Hurlin, och William Arthur Berridge. Employment Statistics for the United States; a Plan for Their National Collection and Handbook of Methods Recommended by the Committee on Governmental Labor Statistics of the American Statistical Association, Edited by Ralph G. Hurlin...and William A. Berridge. New York: Russell Sage foundation, 1926.
MLA-referens (9:e uppl.)Russell Sage foundation, New York, et al. Employment Statistics for the United States; a Plan for Their National Collection and Handbook of Methods Recommended by the Committee on Governmental Labor Statistics of the American Statistical Association, Edited by Ralph G. Hurlin...and William A. Berridge. Russell Sage foundation, 1926.