Cita APA (7a ed.)
Guang, G. Product Sketchbook: Idea, Process and Refinement. CYPI.
Cita estilo Chicago (17a ed.)
Guang, Guo. Product Sketchbook: Idea, Process and Refinement. Londres, Inglaterra: CYPI.
Cita MLA (9a ed.)
Guang, Guo. Product Sketchbook: Idea, Process and Refinement. CYPI.
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