APA aipamena

Zeegen, L. (2009). What is illustration?: Essential design handbooks. RotoVision SA.

Chicago Style aipamena

Zeegen, Lawrence. What Is Illustration?: Essential Design Handbooks. UK: RotoVision SA, 2009.

MLA aipamena

Zeegen, Lawrence. What Is Illustration?: Essential Design Handbooks. RotoVision SA, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.