APA aipamena

Piotrowski, J., Arezki, R., & Cherif, R. (2009). Tourism Specialization and Economic Development: Evidence from the UNESCO World Heritage List. International Monetary Fund.

Chicago Style aipamena

Piotrowski, John, Rabah Arezki, and Reda Cherif. Tourism Specialization and Economic Development: Evidence from the UNESCO World Heritage List. Washington, D.C.: International Monetary Fund, 2009.

MLA aipamena

Piotrowski, John, et al. Tourism Specialization and Economic Development: Evidence from the UNESCO World Heritage List. International Monetary Fund, 2009.