APA (7th ed.) Zitazioa

(2016). City Planning Review 2016. City of Helsinki City Planning Department.

Chicago Style (17th ed.) Zitazioa

City Planning Review 2016. Helsinki: City of Helsinki City Planning Department, 2016.

MLA (9th ed.) Zitazioa

City Planning Review 2016. City of Helsinki City Planning Department, 2016.