Dyfyniad APA

Kling, B., & Krüger, T. (2013). Signage: Spatial orientation (First edition.). Edition Detail.

Dyfyniad Arddull Chicago

Kling, Beate, and Torsten Krüger. Signage: Spatial Orientation. First edition. Munich: Edition Detail, 2013.

Dyfyniad MLA

Kling, Beate, and Torsten Krüger. Signage: Spatial Orientation. First edition. Edition Detail, 2013.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.