Citazione Stile APA (7a Edizione)

Calayag, K. (2021). IATF brings back contact tracing app as Covid-19 cases rise. Manila Times.

Citazione stile Chigago Style (17a edizione)

Calayag, Keith. "IATF Brings Back Contact Tracing App as Covid-19 Cases Rise." Manila Times 2021.

Citatione MLA (9a ed.)

Calayag, Keith. "IATF Brings Back Contact Tracing App as Covid-19 Cases Rise." Manila Times, 2021.