, S. I., & , D. T. W. (2011). Environmental Policies and Dirty Products: Do Pollution Havens Exist? Evidence from East Asia. [Yogyakarta] : Universitas Gadjah Mada.
استشهاد بنمط شيكاغو, Soca Indriya, و Dr. Tri Widodo. Environmental Policies and Dirty Products: Do Pollution Havens Exist? Evidence From East Asia. [Yogyakarta] : Universitas Gadjah Mada, 2011.
MLA استشهاد, Soca Indriya, و Dr. Tri Widodo. Environmental Policies and Dirty Products: Do Pollution Havens Exist? Evidence From East Asia. [Yogyakarta] : Universitas Gadjah Mada, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.