Cita APA (7a ed.)

Gaspar, J. (2011). Google SketchUp Pro 8: Step by step (1st. ed.). VectorPro.

Cita Chicago Style (17a ed.)

Gaspar, João. Google SketchUp Pro 8: Step by Step. 1st. ed. Sao Paulo: VectorPro, 2011.

Cita MLA (9a ed.)

Gaspar, João. Google SketchUp Pro 8: Step by Step. 1st. ed. VectorPro, 2011.