Abdul Kadir, Z. (2013). Enhancing students' problem solving skills using problem-based learning as an instructional communication approach.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Abdul Kadir, Zulida. Enhancing Students' Problem Solving Skills Using Problem-based Learning as an Instructional Communication Approach. 2013.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Abdul Kadir, Zulida. Enhancing Students' Problem Solving Skills Using Problem-based Learning as an Instructional Communication Approach. 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.