Lobo, M. J. A., & Buenrostro, J. J. C. (1998). Year level, age, sex, mode of entry, and frequency of library use as correlates to the academic performance of BLIS students at U.P. Diliman.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lobo, Marie Joie A., و Juan Jr. C. Buenrostro. Year Level, Age, Sex, Mode of Entry, and Frequency of Library Use as Correlates to the Academic Performance of BLIS Students at U.P. Diliman. Quezon City : Institute of Library Science, University of the Philippines Diliman, 1998.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Lobo, Marie Joie A., و Juan Jr. C. Buenrostro. Year Level, Age, Sex, Mode of Entry, and Frequency of Library Use as Correlates to the Academic Performance of BLIS Students at U.P. Diliman. 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.