(2023). Nonnegotiables in China oil talks. IN Editorial [column]. Philippine Daily Inquirer.
Chicago-viite (17. p.)"Nonnegotiables in China Oil Talks. IN Editorial [column]." Philippine Daily Inquirer 2023.
MLA-viite (9. p.)"Nonnegotiables in China Oil Talks. IN Editorial [column]." Philippine Daily Inquirer, 2023.
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