Western Michigan University. Department of Economics, W.E. Upjohn Institute for Employment Research, & Brown, A. N. (1999). When is transition over? W.E. Upjohn Institute for Employment Research.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Western Michigan University. Department of Economics, W.E. Upjohn Institute for Employment Research, و Annette N. Brown. When Is Transition over? Kalamazoo, MI: W.E. Upjohn Institute for Employment Research, 1999.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Western Michigan University. Department of Economics, et al. When Is Transition over? W.E. Upjohn Institute for Employment Research, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.