University of the Philippines (Diliman). School of Economics Library & Tingson, A. C. (2005). Annotated checklist of periodicals at the U.P. School of Economics library: An update. The Library, School of Economics, University of the Philippines.
Cytowanie według stylu Chicago (wyd. 17)University of the Philippines (Diliman). School of Economics Library i Amelia C. Tingson. Annotated Checklist of Periodicals at the U.P. School of Economics Library: An Update. Quezon City: The Library, School of Economics, University of the Philippines, 2005.
Cytowanie według stylu MLA (wyd. 9)University of the Philippines (Diliman). School of Economics Library i Amelia C. Tingson. Annotated Checklist of Periodicals at the U.P. School of Economics Library: An Update. The Library, School of Economics, University of the Philippines, 2005.