Garvilles, J. G., & Lapuz, E. B. (2005). A study of the publication exchange program of selected academic libraries in Metro Manila: Problems and issues.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Garvilles, Jesserylle G., و Elvira B. Lapuz. A Study of the Publication Exchange Program of Selected Academic Libraries in Metro Manila: Problems and Issues. Quezon City : Institute of Library and Information Science, University of the Philippines Diliman, 2005.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Garvilles, Jesserylle G., و Elvira B. Lapuz. A Study of the Publication Exchange Program of Selected Academic Libraries in Metro Manila: Problems and Issues. 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.