Olchondra, R. T. (2015). Shell's solution to resource problems lies in innovation. Philippine Daily Inquirer.
Citazione stile Chigago Style (17a edizione)Olchondra, Riza T. "Shell's Solution to Resource Problems Lies in Innovation." Philippine Daily Inquirer 2015.
Citatione MLA (9a ed.)Olchondra, Riza T. "Shell's Solution to Resource Problems Lies in Innovation." Philippine Daily Inquirer, 2015.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.