Lee, K. M. (2003). Motives and Preferences for Participation in Outdoor Recreation Among Members of Selected Youth Recreation Associations: An Exploratory Study.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lee, Kwan Meng. Motives and Preferences for Participation in Outdoor Recreation Among Members of Selected Youth Recreation Associations: An Exploratory Study. 2003.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Lee, Kwan Meng. Motives and Preferences for Participation in Outdoor Recreation Among Members of Selected Youth Recreation Associations: An Exploratory Study. 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.