Παραπομπή APA

Alpízar, F., Martinsson, P., & Nordén, A. (2014). Do entrance fees crowd out donations for public goods? Evidence from a protected area in Costa Rica.

Παραπομπή Chicago Style

Alpízar, Francisco, Peter Martinsson, και Anna Nordén. Do Entrance Fees Crowd Out Donations for Public Goods? Evidence From a Protected Area in Costa Rica. 2014.

Παραπομπή MLA

Alpízar, Francisco, Peter Martinsson, και Anna Nordén. Do Entrance Fees Crowd Out Donations for Public Goods? Evidence From a Protected Area in Costa Rica. 2014.

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