Makabenta, Y. (2017). Mining is a model of Faustian economics. IN Observer [column]. Manila Times.
Citazione stile Chigago Style (17a edizione)Makabenta, Yen. "Mining Is a Model of Faustian Economics. IN Observer [column]." Manila Times 2017.
Citatione MLA (9a ed.)Makabenta, Yen. "Mining Is a Model of Faustian Economics. IN Observer [column]." Manila Times, 2017.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.