Torres, K. R. T., & Calderon, M. M. (2020). Visitors' willingness to pay for the enhanced conservation of the Mount Makiling Forest Reserve, Philippines. Sylvatrop.
Citazione stile Chigago Style (17a edizione)Torres, Keith Russel T., e Margaret M. Calderon. "Visitors' Willingness to Pay for the Enhanced Conservation of the Mount Makiling Forest Reserve, Philippines." Sylvatrop 2020.
Citatione MLA (9a ed.)Torres, Keith Russel T., e Margaret M. Calderon. "Visitors' Willingness to Pay for the Enhanced Conservation of the Mount Makiling Forest Reserve, Philippines." Sylvatrop, 2020.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.