Heard, W. E. (1969). Engineering drawing for C.S.E. / by W.E. Heard (Metric ed.). McGraw Hill.
Chicago Style (17th ed.) CitationHeard, W. E. Engineering Drawing for C.S.E. / by W.E. Heard. Metric ed. McGraw Hill, 1969.
MLA (9th ed.) CitationHeard, W. E. Engineering Drawing for C.S.E. / by W.E. Heard. Metric ed. McGraw Hill, 1969.
Warning: These citations may not always be 100% accurate.