Fajardo, A. R., Sajise, A. J. U., Predo, C. D., de Luna, C. C., Diona, D. L. Z. I., & Pulhin, J. M. Estimating the recreational value and setting entrance fees during early development of ecotourism sites: The case of Bataan Natural Park. Philippine Journal of Science.
Cita Chicago (17th ed.)Fajardo, Arielle R., Asa Jose U. Sajise, Canesio D. Predo, Catherine C. de Luna, Dan Leo Z. II Diona, i Juan M. Pulhin. "Estimating the Recreational Value and Setting Entrance Fees During Early Development of Ecotourism Sites: The Case of Bataan Natural Park." Philippine Journal of Science .
Cita MLA (9th ed.)Fajardo, Arielle R., et al. "Estimating the Recreational Value and Setting Entrance Fees During Early Development of Ecotourism Sites: The Case of Bataan Natural Park." Philippine Journal of Science, .