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.
Chicago Style (17. basım) AtıfFajardo, Arielle R., Asa Jose U. Sajise, Canesio D. Predo, Catherine C. de Luna, Dan Leo Z. II Diona, ve 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 .
MLA (9th ed.) AtıfFajardo, 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, .