Chang, K. (1976). Follow-up services for the teacher-graduates in rural elementary schools in Korea [microform]. Photoduplication Service, University of the Philippines Library.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Chang, Ki-whan. Follow-up Services for the Teacher-graduates in Rural Elementary Schools in Korea [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Chang, Ki-whan. Follow-up Services for the Teacher-graduates in Rural Elementary Schools in Korea [microform]. Photoduplication Service, University of the Philippines Library, 1976.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.