Chung, Y. L. (1988). Time management strategy, job satisfaction, research productivity, and life satisfaction of university faculty. Iowa State University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Chung, Yonsuk Lee. Time Management Strategy, Job Satisfaction, Research Productivity, and Life Satisfaction of University Faculty. Iowa: Iowa State University, 1988.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Chung, Yonsuk Lee. Time Management Strategy, Job Satisfaction, Research Productivity, and Life Satisfaction of University Faculty. Iowa State University, 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.