Seng, O. G., Estavillo, C. C., & Nera, C. M. (1981). A survey of college and university libraries in Region I: Its implications to the Private Higher Education (PHE) Library Standards. Institute of Library Science, University of the Philippines Diliman.
Citace podle Chicago (17th ed.)Seng, Olga G., Corazon C. Estavillo, a Corazon M. Nera. A Survey of College and University Libraries in Region I: Its Implications to the Private Higher Education (PHE) Library Standards. Quezon City: Institute of Library Science, University of the Philippines Diliman, 1981.
Citace podle MLA (9th ed.)Seng, Olga G., et al. A Survey of College and University Libraries in Region I: Its Implications to the Private Higher Education (PHE) Library Standards. Institute of Library Science, University of the Philippines Diliman, 1981.