Cheong, C. K. (1977). Communication and adoption of family planning and rice production innovations in selected Korean villages [microform]. Photoduplication Service, University of the Philippines Library.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Cheong, Chija Kim. Communication and Adoption of Family Planning and Rice Production Innovations in Selected Korean Villages [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Cheong, Chija Kim. Communication and Adoption of Family Planning and Rice Production Innovations in Selected Korean Villages [microform]. Photoduplication Service, University of the Philippines Library, 1977.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.