Fulgencio, L., & Valenzuela, P. (2014). Valenzuela City Traffic Division employs senior citizens. IN Innovation Watch [column]. Philippine Governance Digest.
Chicago-viite (17. p.)Fulgencio, Liezel, ja Pio Valenzuela. "Valenzuela City Traffic Division Employs Senior Citizens. IN Innovation Watch [column]." Philippine Governance Digest 2014.
MLA-viite (9. p.)Fulgencio, Liezel, ja Pio Valenzuela. "Valenzuela City Traffic Division Employs Senior Citizens. IN Innovation Watch [column]." Philippine Governance Digest, 2014.
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