Gaya APA

Wunder, S. et al (2005). Payment is good,control is better: why payments for forest environmental services in Vitnam have so far remained incipient . Bogor: Cifor.

Gaya MLA

Wunder, Sven. et al. "Payment is good,control is better: why payments for forest environmental services in Vitnam have so far remained incipient". Bogor: Cifor, 2005. Text.