Mallillin, R. B., Santos, H. H., & Tamesis, A. R. (1986). Professional utilization in academic libraries: A survey of eleven selected private colleges and universities in Metro Manila.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Mallillin, Rogelio B., Herminia H. Santos, و Angelina R. Tamesis. Professional Utilization in Academic Libraries: A Survey of Eleven Selected Private Colleges and Universities in Metro Manila. Quezon City : Institute of Library Science, University of the Philippines Diliman, 1986.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Mallillin, Rogelio B., et al. Professional Utilization in Academic Libraries: A Survey of Eleven Selected Private Colleges and Universities in Metro Manila. 1986.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.