the Bureau of Employment security - US Department of labor & John Meskimen. (1960). Manpower Programs and Planning in Economic Development. the Bureau of Employment security - US Department of labor.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)the Bureau of Employment security - US Department of labor و John Meskimen. Manpower Programs and Planning in Economic Development. United State: the Bureau of Employment security - US Department of labor, 1960.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)the Bureau of Employment security - US Department of labor و John Meskimen. Manpower Programs and Planning in Economic Development. the Bureau of Employment security - US Department of labor, 1960.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.