APA (7th ed.) Zitazioa
Giesecke, F. E. (2012). Technical drawing with engineering graphics (14th ed.). Prentice Hall.
Chicago Style (17th ed.) Zitazioa
Giesecke, Frederick E. Technical Drawing with Engineering Graphics. 14th ed. Boston: Prentice Hall, 2012.
MLA (9th ed.) Zitazioa
Giesecke, Frederick E. Technical Drawing with Engineering Graphics. 14th ed. Prentice Hall, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.