APA-ийн эшлэл(7 дахь хэвлэлт)

Romero, R. (2020). Key elements of an anti-Covid strategy. IN Opinion [column]. Manila Standard.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Romero, Rudy. "Key Elements of an Anti-Covid Strategy. IN Opinion [column]." Manila Standard 2020.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Romero, Rudy. "Key Elements of an Anti-Covid Strategy. IN Opinion [column]." Manila Standard, 2020.