Valencia, L. B. (2001). Siargao Island: Set to become Asia's next surfing destination. Manila Bulletin.
Citazione stile Chigago Style (17a edizione)Valencia, Lynda B. "Siargao Island: Set to Become Asia's Next Surfing Destination." Manila Bulletin 2001.
Citatione MLA (9a ed.)Valencia, Lynda B. "Siargao Island: Set to Become Asia's Next Surfing Destination." Manila Bulletin, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.