Gan, S. P. (2000). Effectiveness of programmed instructional material in the teaching of relection to form two pupils in a rural school.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gan, Swit Peng. Effectiveness of Programmed Instructional Material in the Teaching of Relection to Form Two Pupils in a Rural School. 2000.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Gan, Swit Peng. Effectiveness of Programmed Instructional Material in the Teaching of Relection to Form Two Pupils in a Rural School. 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.