Hallak, J., & Caillods, F. (1980). Education, work and employment - I: Education, training and access to the labour market. Unesco: Internation Institute for Educational Planning.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hallak, Jacques, و Francoise Caillods. Education, Work and Employment - I: Education, Training and Access to the Labour Market. Paris: Unesco: Internation Institute for Educational Planning, 1980.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Hallak, Jacques, و Francoise Caillods. Education, Work and Employment - I: Education, Training and Access to the Labour Market. Unesco: Internation Institute for Educational Planning, 1980.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.