Tesorio, J. P. (2003). RP's longest underground river named geological monument. Philippine Daily Inquirer.
Style de citation Chicago (17e éd.)Tesorio, Jofelle P. "RP's Longest Underground River Named Geological Monument." Philippine Daily Inquirer 2003.
Style de citation MLA (9e éd.)Tesorio, Jofelle P. "RP's Longest Underground River Named Geological Monument." Philippine Daily Inquirer, 2003.
Attention : ces citations peuvent ne pas être correctes à 100%.