Rajapakse B.D.M. (2001). Problems faced by physical education teacher trainees who underwent distance education in Sri Lanka.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Rajapakse B.D.M. Problems Faced by Physical Education Teacher Trainees Who Underwent Distance Education in Sri Lanka. 2001.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Rajapakse B.D.M. Problems Faced by Physical Education Teacher Trainees Who Underwent Distance Education in Sri Lanka. 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.