APA引文

Sáenz, A. (2000). Impact on the forest sector of payment of environmental services.

Citación estilo Chicago

Sáenz, Alexandra. Impact On the Forest Sector of Payment of Environmental Services. 2000.

MLA引文

Sáenz, Alexandra. Impact On the Forest Sector of Payment of Environmental Services. 2000.

警告：這些引文格式不一定是100％准確.