Cita APA (7th ed.)

Ko, S. T., & Santos, Y. T. P. (2014). A study on the effeciency of reference librarians in UP Diliman in providing answers to reference questions.

Cita Chicago (17th ed.)

Ko, Stephen T., i Yhna Therese P. Santos. A Study on the Effeciency of Reference Librarians in UP Diliman in Providing Answers to Reference Questions. Quezon City : School of Library and Information Studies, University of the Philippines Diliman, 2014.

Cita MLA (9th ed.)

Ko, Stephen T., i Yhna Therese P. Santos. A Study on the Effeciency of Reference Librarians in UP Diliman in Providing Answers to Reference Questions. 2014.