APA-referens (7:e uppl.)
Arezki, R., Cherif, R., & Piotrowski, J. M. (2009). Tourism specialization and economic development: Evidence from the UNESCO World Heritage List. International Monetary Fund, IMF Institute and Fiscal Affairs Dept..
Chicago-referens (17:e uppl.)
Arezki, Rabah, Reda Cherif, och John M. Piotrowski. Tourism Specialization and Economic Development: Evidence from the UNESCO World Heritage List. [Washington, D.C.]: International Monetary Fund, IMF Institute and Fiscal Affairs Dept., 2009.
MLA-referens (9:e uppl.)
Arezki, Rabah, et al. Tourism Specialization and Economic Development: Evidence from the UNESCO World Heritage List. International Monetary Fund, IMF Institute and Fiscal Affairs Dept., 2009.
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