(2016). City Planning Review 2016. City of Helsinki City Planning Department.
Citazione stile Chigago Style (17a edizione)City Planning Review 2016. Helsinki: City of Helsinki City Planning Department, 2016.
Citatione MLA (9a ed.)City Planning Review 2016. City of Helsinki City Planning Department, 2016.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.