एपीए उद्धरण

Krar, S. F., & Oswald, J. W. (1991). Technology of machine tools (4th ed.). McGraw-Hill.

शिकागो स्टाइल उद्धरण

Krar, Steve F., और J. William Oswald. Technology of Machine Tools. 4th ed. New York: McGraw-Hill, 1991.

एमएलए उद्धरण

Krar, Steve F., और J. William Oswald. Technology of Machine Tools. 4th ed. McGraw-Hill, 1991.