La Viña, D. T. (2013). State of the nation’s challenges. IN Eagle Eyes [column]. Manila Standard Today.
Citazione stile Chigago Style (17a edizione)La Viña, Dean Tony. "State of the Nation’s Challenges. IN Eagle Eyes [column]." Manila Standard Today 2013.
Citatione MLA (9a ed.)La Viña, Dean Tony. "State of the Nation’s Challenges. IN Eagle Eyes [column]." Manila Standard Today, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.