Silverio, R. S., Aguirre, V. V. M., & Santos, H. H. (2011). A survey on the sustainable library practices and trends of selected academic libraries in Metro Manila. School of Library and Information Studies, University of the Philippines Diliman.
Παραπομπή σε μορφή Chicago (17η εκδ.)Silverio, Rochelle S., Vyva Victoria M. Aguirre, και Herminia H. Santos. A Survey on the Sustainable Library Practices and Trends of Selected Academic Libraries in Metro Manila. Quezon City: School of Library and Information Studies, University of the Philippines Diliman, 2011.
Παραπομπή σε μορφή MLA (9th εκδ.)Silverio, Rochelle S., et al. A Survey on the Sustainable Library Practices and Trends of Selected Academic Libraries in Metro Manila. School of Library and Information Studies, University of the Philippines Diliman, 2011.