Boundy, A. W. (1987). Engineering drawing (3rd ed.). McGraw-Hill.
Chicago Style aipamenaBoundy, A. W. Engineering Drawing. 3rd ed. New York: McGraw-Hill, 1987.
MLA aipamenaBoundy, A. W. Engineering Drawing. 3rd ed. McGraw-Hill, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.