Rodriguez, E. V., Buenrostro, J. J. C., & Gehring, R. B. (1990). A survey of theological seminary libraries belonging to Asia Graduate School of Theology (AGST) with implications for resource sharing. Institute of Library Science, University of the Philippines Diliman.

Rodriguez, Elizabeth V., Juan Jr. C. Buenrostro, and Ralph B. Gehring. A Survey of Theological Seminary Libraries Belonging to Asia Graduate School of Theology (AGST) with Implications for Resource Sharing. Quezon City: Institute of Library Science, University of the Philippines Diliman, 1990.

Rodriguez, Elizabeth V., et al. A Survey of Theological Seminary Libraries Belonging to Asia Graduate School of Theology (AGST) with Implications for Resource Sharing. Institute of Library Science, University of the Philippines Diliman, 1990.