Wong, S. L. (1993). The decision making process used by undergraduates selecting electives: A focus group study.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Wong, Sheryl Leng. The Decision Making Process Used by Undergraduates Selecting Electives: A Focus Group Study. 1993.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Wong, Sheryl Leng. The Decision Making Process Used by Undergraduates Selecting Electives: A Focus Group Study. 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.