APA (7e ed.) Bronvermelding

Villanueva, M. A. (2021). COVID-19 test first before vaccinating?. IN Commonsense [column]. Philippine Star.

Chicago (17e ed.) Bronvermelding

Villanueva, Marichu A. "COVID-19 Test First Before Vaccinating?. IN Commonsense [column]." Philippine Star 2021.

MLA (9e ed.) Bronvermelding

Villanueva, Marichu A. "COVID-19 Test First Before Vaccinating?. IN Commonsense [column]." Philippine Star, 2021.

Let op: Deze citaties zijn niet altijd 100% accuraat.