APA-viite (7. p.)

(2020). Hopes up as 8 COVID-19 vaccines undergo trials. IN Editorial [column]. Manila Bulletin.

Chicago-viite (17. p.)

"Hopes Up as 8 COVID-19 Vaccines Undergo Trials. IN Editorial [column]." Manila Bulletin 2020.

MLA-viite (9. p.)

"Hopes Up as 8 COVID-19 Vaccines Undergo Trials. IN Editorial [column]." Manila Bulletin, 2020.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.