Παραπομπή σε μορφή APA (7η εκδ.)

Torres, K. R. T., & Calderon, M. M. (2020). Visitors' willingness to pay for the enhanced conservation of the Mount Makiling Forest Reserve, Philippines. Sylvatrop.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Torres, Keith Russel T., και Margaret M. Calderon. "Visitors' Willingness to Pay for the Enhanced Conservation of the Mount Makiling Forest Reserve, Philippines." Sylvatrop 2020.

Παραπομπή σε μορφή MLA (9th εκδ.)

Torres, Keith Russel T., και Margaret M. Calderon. "Visitors' Willingness to Pay for the Enhanced Conservation of the Mount Makiling Forest Reserve, Philippines." Sylvatrop, 2020.