Manlavi, D. (1998). First circumnavigator was a Filipino slave. Philippine Daily Inquirer.
Citazione stile Chigago Style (17a edizione)Manlavi, Diokno. "First Circumnavigator Was a Filipino Slave." Philippine Daily Inquirer 1998.
Citatione MLA (9a ed.)Manlavi, Diokno. "First Circumnavigator Was a Filipino Slave." Philippine Daily Inquirer, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.