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.

Silverio, Rochelle S., Vyva Victoria M. Aguirre, and 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.

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.