Rivera, D. (2016). Napocor bidding contract for Agus 6 maintenance. IN IN Business [column]. Philippine Star.
Citazione stile Chigago Style (17a edizione)Rivera, Danessa. "Napocor Bidding Contract for Agus 6 Maintenance. IN IN Business [column]." Philippine Star 2016.
Citatione MLA (9a ed.)Rivera, Danessa. "Napocor Bidding Contract for Agus 6 Maintenance. IN IN Business [column]." Philippine Star, 2016.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.