Earle, J. H. (1992). Engineering design graphics (7th ed.). Addison Wesley.
Chicago Style aipamenaEarle, James H. Engineering Design Graphics. 7th ed. Massachusetts: Addison Wesley, 1992.
MLA aipamenaEarle, James H. Engineering Design Graphics. 7th ed. Addison Wesley, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.