Torrefranca, L. H. (1979). Some social-psychological factors in high school seniors' academic achievement: Their implications for vocational guidance [microform]. Photoduplication Service. University of the Philippines Library.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Torrefranca, Lourdes Hordista. Some Social-psychological Factors in High School Seniors' Academic Achievement: Their Implications for Vocational Guidance [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1979.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Torrefranca, Lourdes Hordista. Some Social-psychological Factors in High School Seniors' Academic Achievement: Their Implications for Vocational Guidance [microform]. Photoduplication Service. University of the Philippines Library, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.