APA (7th ed.) Zitazioa
Slade, R. Sketching for Engineers and Architects. Routledge.
Chicago Style (17th ed.) Zitazioa
Slade, Ron. Sketching for Engineers and Architects. Londres, Inglaterra: Routledge.
MLA (9th ed.) Zitazioa
Slade, Ron. Sketching for Engineers and Architects. Routledge.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.