Citazione Stile APA (7a Edizione)

Lopez, T. (2002). When negative outlook means positive outlook. Manila Times.

Citazione stile Chigago Style (17a edizione)

Lopez, Tony. "When Negative Outlook Means Positive Outlook." Manila Times 2002.

Citatione MLA (9a ed.)

Lopez, Tony. "When Negative Outlook Means Positive Outlook." Manila Times, 2002.