Reyes, T. J., Vallejo, R. M., & Zubiri, B. R. (1980). The University of the Philippines Library as reflected in three publications-the Philippine Collegian, the U.P. Newsletter and the Carillon: A content analysis. Institute of Library Science, University of the Philippines Diliman.

Reyes, Teresita J., Rosa M. Vallejo, and Bridget R. Zubiri. The University of the Philippines Library as Reflected in Three Publications-the Philippine Collegian, the U.P. Newsletter and the Carillon: A Content Analysis. Quezon City: Institute of Library Science, University of the Philippines Diliman, 1980.

Reyes, Teresita J., et al. The University of the Philippines Library as Reflected in Three Publications-the Philippine Collegian, the U.P. Newsletter and the Carillon: A Content Analysis. Institute of Library Science, University of the Philippines Diliman, 1980.