APA (7e ed.) Bronvermelding

Balingit, S. L. M., & Bassig, X. B. Beyond scheme: Payment for environmental services in tourism.

Chicago (17e ed.) Bronvermelding

Balingit, Sheryl Lou M., en Xyza B. Bassig. Beyond Scheme: Payment for Environmental Services in Tourism. 2009.

MLA (9e ed.) Bronvermelding

Balingit, Sheryl Lou M., en Xyza B. Bassig. Beyond Scheme: Payment for Environmental Services in Tourism.