Kong, R. M. (1979). Goal programming: Methods of solution and an application [microform]. Photoduplication Service. University of the Philippines Library.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Kong, Rosario Mejia. Goal Programming: Methods of Solution and an Application [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1979.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Kong, Rosario Mejia. Goal Programming: Methods of Solution and an Application [microform]. Photoduplication Service. University of the Philippines Library, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.