Tohutoro APA (7th ed.)

Herwig, O. (2008). Universal design: Solutions for a barrier-free living. Birkhäuser.

Tohutoru Kātū Chicago (17th ed.)

Herwig, Oliver. Universal Design: Solutions for a Barrier-free Living. Basel ; Boston: Birkhäuser, 2008.

Tohutoro MLA (9th ed.)

Herwig, Oliver. Universal Design: Solutions for a Barrier-free Living. Birkhäuser, 2008.

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