APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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