Jonas, J. R. O. (2012). Profile of UPCBA freshmen: Pre- v. post- UP admission index (UPAI) implementation. College of Business Administration, University of the Philippines.
Čikaški stil citiranja (17. izdanje)Jonas, James Ryan O. Profile of UPCBA Freshmen: Pre- V. Post- UP Admission Index (UPAI) Implementation. Quezon City: College of Business Administration, University of the Philippines, 2012.
MLA način citiranja (9. izdanje)Jonas, James Ryan O. Profile of UPCBA Freshmen: Pre- V. Post- UP Admission Index (UPAI) Implementation. College of Business Administration, University of the Philippines, 2012.
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