توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Sadongdong, M. A. (2021). Vaccination for economic frontliners begins June 7: Indigents will also get their COVID-19 vaccines. Manila Bulletin.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Sadongdong, Martin A. "Vaccination for Economic Frontliners Begins June 7: Indigents Will Also Get Their COVID-19 Vaccines." Manila Bulletin 2021.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Sadongdong, Martin A. "Vaccination for Economic Frontliners Begins June 7: Indigents Will Also Get Their COVID-19 Vaccines." Manila Bulletin, 2021.