Trích dẫn APA

Wunder, S. Payments for environmental services and the poor: Concepts and preliminary evidence.

Trích dẫn kiểu Chicago

Wunder, Sven. Payments for Environmental Services and the Poor: Concepts and Preliminary Evidence.

Trích dẫn MLA

Wunder, Sven. Payments for Environmental Services and the Poor: Concepts and Preliminary Evidence.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.