Santos, M. E., Vallejo, R. M., & Hidalgo, N. P. (1980). Philippine book of days: A calendar of holidays, anniversaries, and festivals. Institute of Library Science, University of the Philippines Diliman.
Chicago Style (17th ed.) CitationSantos, Minerva E., Rosa M. Vallejo, and Namnama P. Hidalgo. Philippine Book of Days: A Calendar of Holidays, Anniversaries, and Festivals. Quezon City: Institute of Library Science, University of the Philippines Diliman, 1980.
MLA (9th ed.) CitationSantos, Minerva E., et al. Philippine Book of Days: A Calendar of Holidays, Anniversaries, and Festivals. Institute of Library Science, University of the Philippines Diliman, 1980.
Warning: These citations may not always be 100% accurate.