De Castro, H. C., Santos, A. M., & Arlante, S. M. (1993). A survey of libraries among selected agencies under the Office of the President with implications toward resource sharing.
Chicago Style (17. basım) AtıfDe Castro, Helen C., Antonio M. Santos, ve Salvacion M. Arlante. A Survey of Libraries Among Selected Agencies Under the Office of the President with Implications Toward Resource Sharing. Quezon City : Institute of Library Science, University of the Philippines Diliman, 1993.
MLA (9th ed.) AtıfDe Castro, Helen C., et al. A Survey of Libraries Among Selected Agencies Under the Office of the President with Implications Toward Resource Sharing. 1993.
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