Manlavi, D. (1998). First circumnavigator was a Filipino slave. Philippine Daily Inquirer.
Chicago-viite (17. p.)Manlavi, Diokno. "First Circumnavigator Was a Filipino Slave." Philippine Daily Inquirer 1998.
MLA-viite (9. p.)Manlavi, Diokno. "First Circumnavigator Was a Filipino Slave." Philippine Daily Inquirer, 1998.
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