Citazione Stile APA (7a Edizione)

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.