Cita APA (7th ed.)

Roberts, L. (2007). Grids: Creative solutions for graphic designers. RotoVision.

Cita Chicago (17th ed.)

Roberts, Lucienne. Grids: Creative Solutions for Graphic Designers. Switzerland: RotoVision, 2007.

Cita MLA (9th ed.)

Roberts, Lucienne. Grids: Creative Solutions for Graphic Designers. RotoVision, 2007.