Abansi, C. L. (2012). Willingness to pay for recreational benefits in Sagada, Philippines: A contingent valuation study.
Citazione stile Chigago Style (17a edizione)Abansi, Corazon L. Willingness to Pay for Recreational Benefits in Sagada, Philippines: A Contingent Valuation Study. 2012.
Citatione MLA (9a ed.)Abansi, Corazon L. Willingness to Pay for Recreational Benefits in Sagada, Philippines: A Contingent Valuation Study. 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.