Roberts, L. (2011). Grids: Creative solutions for graphic designers. RotoVision SA.
Chicago Style aipamenaRoberts, Lucienne. Grids: Creative Solutions for Graphic Designers. Switzerland: RotoVision SA, 2011.
MLA aipamenaRoberts, Lucienne. Grids: Creative Solutions for Graphic Designers. RotoVision SA, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.