W.E. Upjohn Institute for Employment Research & Murray, M. G. (1967). Challenging problems for unemployment insurance research: Summary of proceedings of a conference ... convened by the W.E. Upjohn Institute for Employment Research in Baltimore, Maryland, May 4 and 5, 1967. W.E. Upjohn Institute for Employment Research.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)W.E. Upjohn Institute for Employment Research و Merrill G. Murray. Challenging Problems for Unemployment Insurance Research: Summary of Proceedings of a Conference ... Convened by the W.E. Upjohn Institute for Employment Research in Baltimore, Maryland, May 4 and 5, 1967. Kalamazoo, Mich.: W.E. Upjohn Institute for Employment Research, 1967.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)W.E. Upjohn Institute for Employment Research و Merrill G. Murray. Challenging Problems for Unemployment Insurance Research: Summary of Proceedings of a Conference ... Convened by the W.E. Upjohn Institute for Employment Research in Baltimore, Maryland, May 4 and 5, 1967. W.E. Upjohn Institute for Employment Research, 1967.