Quezon, M. L. I. (2014). The official calendar of the Republic of the Philippines: An almanac of Philippine commemorations : enlivened with illustrations and information. Presidential Communications Development and Strategic Planning Office.
Chicago-Zitierstil (17. Ausg.)Quezon, Manuel L. III. The Official Calendar of the Republic of the Philippines: An Almanac of Philippine Commemorations : Enlivened with Illustrations and Information. Manila: Presidential Communications Development and Strategic Planning Office, 2014.
MLA-Zitierstil (9. Ausg.)Quezon, Manuel L. III. The Official Calendar of the Republic of the Philippines: An Almanac of Philippine Commemorations : Enlivened with Illustrations and Information. Presidential Communications Development and Strategic Planning Office, 2014.