Oodi, the Library of a new era, will open to the public on the eve of the Independence Day : press release 30 November 2018 / A.M. Soininvaara, M. Haatainen ; Oodi Helsinki Central Library. URL: https://s3-eu-central-1.amazonaws.com/evermade-oodi-wordpress/wp-content/uploads/2018/03/02180833/30.11.-tiedote_EN.pdf (дата обращения: 18.04.2021).

Oodi Helsinki Central Library [брошюра] / Oodi Helsinki Central Library. Helsinki : [б. и.], [2019]. [13] с.

Добро пожаловать в библиотеки Helmet! : правила пользования библиотеками Helmet : [буклет] / библиотеки Helmet. [Б. м. : б. и.], 2018. [8] c.