Gaya APA

Sauer, T, E, S, G, C. (2016). Cities in Transition Social innovation for Europe's urban sustainability . Great Britain: Routledge.

Gaya MLA

Sauer, Thomas., Elsen,, Susanne., Garzillo,, Cristina. "Cities in Transition Social innovation for Europe's urban sustainability". Great Britain: Routledge, 2016. Text.