World Bank. (2009). Doing Business 2010: Reforming through difficult times. Washington: The International Bank for Reconstruction and Development.
Styl cytowania ChicagoWorld Bank. Doing Business 2010: Reforming Through Difficult Times. Washington: The International Bank for Reconstruction and Development, 2009.
Styl cytowania MLAWorld Bank. Doing Business 2010: Reforming Through Difficult Times. Washington: The International Bank for Reconstruction and Development, 2009.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..