International Labour Office. (1976). World employment programme: Research in retrospect and prospect (2d impression (with modifications).). The Office.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Labour Office. World Employment Programme: Research in Retrospect and Prospect. 2d impression (with modifications). Geneva: The Office, 1976.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)International Labour Office. World Employment Programme: Research in Retrospect and Prospect. 2d impression (with modifications). The Office, 1976.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.