Greenberg, M. D., & Haviland, A. (2008). Issues and performance in the Pennsylvania workers' compensation system. RAND Corporation/Center for haealth and safety in the workplace.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Greenberg, Michael D., و Amelia Haviland. Issues and Performance in the Pennsylvania Workers' Compensation System. Santa Monica, CA: RAND Corporation/Center for haealth and safety in the workplace, 2008.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Greenberg, Michael D., و Amelia Haviland. Issues and Performance in the Pennsylvania Workers' Compensation System. RAND Corporation/Center for haealth and safety in the workplace, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.