Development, E. f., Resources for the Future, W., Alpízar, F., & Martinsson, P. (2010). Paying the price of sweetening your donation: Evidence from a natural field experiment.
Trích dẫn kiểu ChicagoDevelopment, Environment for, Washington Resources for the Future, F. Alpízar, và P. Martinsson. Paying the Price of Sweetening Your Donation: Evidence From a Natural Field Experiment. 2010.
Trích dẫn MLADevelopment, Environment for, Washington Resources for the Future, F. Alpízar, và P. Martinsson. Paying the Price of Sweetening Your Donation: Evidence From a Natural Field Experiment. 2010.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.