Manuel L. Quezon III, U. o. P. C. (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.
Παραπομπή σε μορφή Chicago (17η εκδ.)Manuel L. Quezon III, Undersecretary of Presidential Communications. 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.
Παραπομπή σε μορφή MLA (9th εκδ.)Manuel L. Quezon III, Undersecretary of Presidential Communications. 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.