Orientation Programme in Educational Planning and Administration for Directors of Education of Sri Lanka New Delhi, India. (1984). Orientation Programme in Educational Planning and Administration for Directors of Education of Sri Lanka, New Delhi, March 20-May 3, 1984: Report. National Institute of Educational Planning and Administration.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Orientation Programme in Educational Planning and Administration for Directors of Education of Sri Lanka New Delhi, India. Orientation Programme in Educational Planning and Administration for Directors of Education of Sri Lanka, New Delhi, March 20-May 3, 1984: Report. New Delhi, India: National Institute of Educational Planning and Administration, 1984.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Orientation Programme in Educational Planning and Administration for Directors of Education of Sri Lanka New Delhi, India. Orientation Programme in Educational Planning and Administration for Directors of Education of Sri Lanka, New Delhi, March 20-May 3, 1984: Report. National Institute of Educational Planning and Administration, 1984.