Lee, H. W. (2012). User-design approach in problem development and its effects on authenticity, performance, and satisfaction in problem-based learning. Asia-Pacific Education Researcher.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lee, Hyeon Woo. "User-design Approach in Problem Development and Its Effects on Authenticity, Performance, and Satisfaction in Problem-based Learning." Asia-Pacific Education Researcher 2012.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Lee, Hyeon Woo. "User-design Approach in Problem Development and Its Effects on Authenticity, Performance, and Satisfaction in Problem-based Learning." Asia-Pacific Education Researcher, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.