APA (7th ed.) Zitazioa

ebrary, Inc, & Greenberg, S. (2012). Sketching user experiences. Elsevier.

Chicago Style (17th ed.) Zitazioa

ebrary, Inc, eta Saul Greenberg. Sketching User Experiences. Waltham, Mass.: Elsevier, 2012.

MLA (9th ed.) Zitazioa

ebrary, Inc, eta Saul Greenberg. Sketching User Experiences. Elsevier, 2012.