Pedrajas, J. A. B. (2022). ASEAN moves to secure supply of basic needs amid Covid-19, Ukraine-Russia crisis - DFA. Manila Bulletin.
Chicago-viite (17. p.)Pedrajas, Joseph Almer B. "ASEAN Moves to Secure Supply of Basic Needs Amid Covid-19, Ukraine-Russia Crisis - DFA." Manila Bulletin 2022.
MLA-viite (9. p.)Pedrajas, Joseph Almer B. "ASEAN Moves to Secure Supply of Basic Needs Amid Covid-19, Ukraine-Russia Crisis - DFA." Manila Bulletin, 2022.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.