Não informado. (1957). Annual bulletin of housing and building statistics for Europe. United Nations, Economic Commission for Europe.
Cytowanie według stylu Chicago (wyd. 17)Não informado. Annual Bulletin of Housing and Building Statistics for Europe. Geneva, Suíça: United Nations, Economic Commission for Europe, 1957.
Cytowanie według stylu MLA (wyd. 8)Não informado. Annual Bulletin of Housing and Building Statistics for Europe. United Nations, Economic Commission for Europe, 1957.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..