Sporrong, J., & Bröchner, J. (2009). Public Procurement Incentives for Sustainable Design Services: Swedish Experiences. Universidade de São Paulo. Instituto de Arquitetura e Urbanismo.
শিকাগো স্টাইলে সাইটেশনSporrong, Josefin, এবং Jan Bröchner. Public Procurement Incentives for Sustainable Design Services: Swedish Experiences. Universidade de São Paulo. Instituto de Arquitetura e Urbanismo, 2009.
এমএলএ সাইটেশনSporrong, Josefin, এবং Jan Bröchner. Public Procurement Incentives for Sustainable Design Services: Swedish Experiences. Universidade de São Paulo. Instituto de Arquitetura e Urbanismo, 2009.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.