एपीए उद्धरण

(1980). Metalworking machine tools. Washington: United States International Trade Commission.

शिकागो स्टाइल उद्धरण

Metalworking Machine Tools. Washington: United States International Trade Commission, 1980.

एमएलए उद्धरण

Metalworking Machine Tools. Washington: United States International Trade Commission, 1980.

चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.