Sabat, E. M., & Mallari, F. D. (2000). An assessment of the quality of reference service at the University of the Philippines Diliman Main Library.
Cita Chicago (17th ed.)Sabat, Elizabeth M., i Florenda D. Mallari. An Assessment of the Quality of Reference Service at the University of the Philippines Diliman Main Library. Quezon City : Institute of Library Science, University of the Philippines Diliman, 2000.
Cita MLA (9th ed.)Sabat, Elizabeth M., i Florenda D. Mallari. An Assessment of the Quality of Reference Service at the University of the Philippines Diliman Main Library. 2000.
Atenció: Aquestes cites poden no estar 100% correctes.