Sy, J. Y., Gonzales, G. M. B., & Fonseca, S. J. (2005). The development of a library instruction program for the St. Stephen's High School Library with emphasis on improving specific library-related skills. School of Library and Information Studies, University of the Philippines Diliman.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sy, Judith Young, Grace Marie B. Gonzales, و Soledad J. Fonseca. The Development of a Library Instruction Program for the St. Stephen's High School Library with Emphasis on Improving Specific Library-related Skills. Quezon City: School of Library and Information Studies, University of the Philippines Diliman, 2005.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Sy, Judith Young, et al. The Development of a Library Instruction Program for the St. Stephen's High School Library with Emphasis on Improving Specific Library-related Skills. School of Library and Information Studies, University of the Philippines Diliman, 2005.