Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.