एपीए उद्धरण

Branoff, T. J., & Helsel, J. D. Interpreting engineering drawings.

शिकागो स्टाइल उद्धरण

Branoff, Theodore J., और Jay D. Helsel. Interpreting Engineering Drawings.

एमएलए उद्धरण

Branoff, Theodore J., और Jay D. Helsel. Interpreting Engineering Drawings.