एपीए उद्धरण

Dudley, D. W. (1954). Practical gear design. Mc Graw - Hill.

शिकागो स्टाइल उद्धरण

Dudley, Darle W. Practical Gear Design. New York: Mc Graw - Hill, 1954.

एमएलए उद्धरण

Dudley, Darle W. Practical Gear Design. Mc Graw - Hill, 1954.