Aganon, M. E. (1981). Case studies on labor productivity (with emphasis on some associated causes and possible consequences). Research and Publications Section, Asian Labor Education Center, University of the Philippines.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Aganon, Marie Edralin. Case Studies on Labor Productivity (with Emphasis on Some Associated Causes and Possible Consequences). Quezon City: Research and Publications Section, Asian Labor Education Center, University of the Philippines, 1981.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Aganon, Marie Edralin. Case Studies on Labor Productivity (with Emphasis on Some Associated Causes and Possible Consequences). Research and Publications Section, Asian Labor Education Center, University of the Philippines, 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.