Manlavi, D. (1998). First circumnavigator was a Filipino slave. Philippine Daily Inquirer.
Cita Chicago Style (17a ed.)Manlavi, Diokno. "First Circumnavigator Was a Filipino Slave." Philippine Daily Inquirer 1998.
Cita MLA (9a ed.)Manlavi, Diokno. "First Circumnavigator Was a Filipino Slave." Philippine Daily Inquirer, 1998.
Precaución: Estas citas no son 100% exactas.