APA-referens (7:e uppl.)

Calzada, I. (2017). Transforming smart cities with social innovation: Penta helix multi-stakeholders framework. Regional Studies Association.

Chicago-referens (17:e uppl.)

Calzada, I. Transforming Smart Cities with Social Innovation: Penta Helix Multi-stakeholders Framework. Regional Studies Association, 2017.

MLA-referens (9:e uppl.)

Calzada, I. Transforming Smart Cities with Social Innovation: Penta Helix Multi-stakeholders Framework. Regional Studies Association, 2017.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.